Pay vs Performance Disclosure - USD ($)
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12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
| Pay vs Performance Disclosure |
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| Pay vs Performance Disclosure, Table |
PAY VERSUS PERFORMANCE As required by Item 402(v) of Regulation S-K, we are providing the following information about the relationship between “compensation actually paid” to our named executive officers (“NEOs”), including our principal executive officer (“PEO”) and certain financial performance of the Company. As we are a “smaller reporting company,” as defined under Item 10(f)(1) of Regulation S-K, we are providing information relating only to fiscal years 2025, 2024 and 2023. | | | | | | | | | | | | | | | | | | | 2025 | | | 4,222,265 | | | 9,637,099 | | | 2,009,530 | | | 3,596,263 | | | 44.35 | | | (274,448) | 2024 | | | 1,495,376 | | | (3,237,463) | | | 1,606,237 | | | 72,810 | | | 18.44 | | | (342,994) | 2023 | | | 2,647,476 | | | (7,936,183) | | | 3,210,333 | | | 1,129,554 | | | 55.91 | | | (234,632) | | | | | | | | | | | | | | | | | | | |
(1)
| The dollar amounts reported in column (b) are the amounts of total compensation reported for Lynn Seely, M.D., our President and Chief Executive Officer, for all three years reported in the “Total” column of the Summary Compensation Table. Refer to “Executive Compensation—Summary Compensation Table.” |
(2)
| The dollar amounts reported in column (c) represent the amounts of “compensation actually paid” to Dr. Seely, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual amount of compensation earned by or paid to Dr. Seely during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to Dr. Seely’s total compensation for each year to determine the compensation actually paid: |
| | | | | | | | | | | | | 2025 | | | 4,222,265 | | | 3,094,357 | | | 8,509,191 | | | 9,637,099 | 2024 | | | 1,495,376 | | | 474,000 | | | (4,258,839) | | | (3,237,463) | 2023 | | | 2,647,476 | | | 1,685,250 | | | (8,898,409) | | | (7,936,183) | | | | | | | | | | | | | |
(a)
| The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” and “Option Awards” columns in the Summary Compensation Table for the applicable year. |
(b)
| The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows: |
| | | | | | | | | | | | | | | | | | | 2025 | | | 5,950,339 | | | 2,447,420 | | | 179,712 | | | (42,400) | | | (25,880) | | | 8,509,191 | 2024 | | | 585,540 | | | (4,464,450) | | | — | | | (379,929) | | | — | | | (4,258,839) | 2023 | | | — | | | (7,001,445) | | | — | | | (1,896,964) | | | — | | | (8,898,409) | | | | | | | | | | | | | | | | | | | |
(3)
| The dollar amounts reported in column (d) represent the average of the amounts reported for the NEOs as a group (excluding our PEO) in the “Total” column of the Summary Compensation Table in each applicable year. The NEOs (excluding our PEO) included for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2025, Stephen Hill and Gary Lee, Ph.D.; (i) for 2024, Stephen Hill and Matthew Lang (our former Chief Business Officer); and (ii) for 2023, Charles Newton (our former Chief Financial Officer), Stephen Hill, Matthew Lang, Gary Lee, Ph.D. and Tina Albertson, M.D., Ph.D. |
(4)
| The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the NEOs as a group (excluding our PEO), as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the NEOs as a group (excluding our PEO) during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to average total compensation for the NEOs as a group (excluding our PEO) for each year to determine the compensation actually paid, using the same methodology described above in Note (2)(b): |
| | | | | | | | | | | | | 2025 | | | 2,009,530 | | | 1,200,846 | | | 2,787,579 | | | 3,596,263 | 2024 | | | 1,606,237 | | | 666,450 | | | (866,977) | | | 72,810 | 2023 | | | 3,210,333 | | | 2,410,690 | | | 329,911 | | | 1,129,554 | | | | | | | | | | | | | |
(a)
| The amounts deducted or added in calculating the total average equity award adjustments are as follows: |
| | | | | | | | | | | | | | | | | | | 2025 | | | 2,255,953 | | | 478,251 | | | 59,925 | | | (1,374) | | | (5,176) | | | 2,787,579 | 2024 | | | 281,657 | | | (1,076,339) | | | 87,042 | | | (159,337) | | | — | | | (866,977) | 2023 | | | 1,043,424 | | | (536,147) | | | 172,101 | | | (106,207) | | | (243,260) | | | 329,911 | | | | | | | | | | | | | | | | | | | |
(5)
| For the relevant fiscal year, represents the cumulative total stockholder return of our common stock at the end of such fiscal year. In each case, assume an initial investment of $100 on December 31, 2021. |
(6)
| The dollar amounts reported represent the amount of net loss reflected in our audited financial statements for the applicable year. Due to the fact that we are not a commercial-stage company, we did not have any revenue during the periods presented. Consequently, we did not use net income (loss) as a performance measure in our executive compensation program. |
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| Named Executive Officers, Footnote |
(1)
| The dollar amounts reported in column (b) are the amounts of total compensation reported for Lynn Seely, M.D., our President and Chief Executive Officer, for all three years reported in the “Total” column of the Summary Compensation Table. Refer to “Executive Compensation—Summary Compensation Table.” |
(3)
| The dollar amounts reported in column (d) represent the average of the amounts reported for the NEOs as a group (excluding our PEO) in the “Total” column of the Summary Compensation Table in each applicable year. The NEOs (excluding our PEO) included for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2025, Stephen Hill and Gary Lee, Ph.D.; (i) for 2024, Stephen Hill and Matthew Lang (our former Chief Business Officer); and (ii) for 2023, Charles Newton (our former Chief Financial Officer), Stephen Hill, Matthew Lang, Gary Lee, Ph.D. and Tina Albertson, M.D., Ph.D. |
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| PEO Total Compensation Amount |
$ 4,222,265
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$ 1,495,376
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$ 2,647,476
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| PEO Actually Paid Compensation Amount |
$ 9,637,099
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(3,237,463)
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(7,936,183)
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| Adjustment To PEO Compensation, Footnote |
(2)
| The dollar amounts reported in column (c) represent the amounts of “compensation actually paid” to Dr. Seely, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual amount of compensation earned by or paid to Dr. Seely during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to Dr. Seely’s total compensation for each year to determine the compensation actually paid: |
| | | | | | | | | | | | | 2025 | | | 4,222,265 | | | 3,094,357 | | | 8,509,191 | | | 9,637,099 | 2024 | | | 1,495,376 | | | 474,000 | | | (4,258,839) | | | (3,237,463) | 2023 | | | 2,647,476 | | | 1,685,250 | | | (8,898,409) | | | (7,936,183) | | | | | | | | | | | | | |
(a)
| The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” and “Option Awards” columns in the Summary Compensation Table for the applicable year. |
(b)
| The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows: |
| | | | | | | | | | | | | | | | | | | 2025 | | | 5,950,339 | | | 2,447,420 | | | 179,712 | | | (42,400) | | | (25,880) | | | 8,509,191 | 2024 | | | 585,540 | | | (4,464,450) | | | — | | | (379,929) | | | — | | | (4,258,839) | 2023 | | | — | | | (7,001,445) | | | — | | | (1,896,964) | | | — | | | (8,898,409) | | | | | | | | | | | | | | | | | | | |
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| Non-PEO NEO Average Total Compensation Amount |
$ 2,009,530
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1,606,237
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3,210,333
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| Non-PEO NEO Average Compensation Actually Paid Amount |
$ 3,596,263
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72,810
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1,129,554
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| Adjustment to Non-PEO NEO Compensation Footnote |
(4)
| The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the NEOs as a group (excluding our PEO), as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the NEOs as a group (excluding our PEO) during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to average total compensation for the NEOs as a group (excluding our PEO) for each year to determine the compensation actually paid, using the same methodology described above in Note (2)(b): |
| | | | | | | | | | | | | 2025 | | | 2,009,530 | | | 1,200,846 | | | 2,787,579 | | | 3,596,263 | 2024 | | | 1,606,237 | | | 666,450 | | | (866,977) | | | 72,810 | 2023 | | | 3,210,333 | | | 2,410,690 | | | 329,911 | | | 1,129,554 | | | | | | | | | | | | | |
(a)
| The amounts deducted or added in calculating the total average equity award adjustments are as follows: |
| | | | | | | | | | | | | | | | | | | 2025 | | | 2,255,953 | | | 478,251 | | | 59,925 | | | (1,374) | | | (5,176) | | | 2,787,579 | 2024 | | | 281,657 | | | (1,076,339) | | | 87,042 | | | (159,337) | | | — | | | (866,977) | 2023 | | | 1,043,424 | | | (536,147) | | | 172,101 | | | (106,207) | | | (243,260) | | | 329,911 | | | | | | | | | | | | | | | | | | | |
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| Compensation Actually Paid vs. Total Shareholder Return |
Compensation Actually Paid and Cumulative Company TSR The chart below shows the relationship between the compensation actually paid to our PEO and the average compensation actually paid to our non-PEO NEOs, on the one hand, to the Company’s cumulative TSR over the years presented in the table, on the other.
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| Compensation Actually Paid vs. Net Income |
Compensation Actually Paid and Net Loss Because we are a pre-commercial stage company, we had no revenue during the periods presented. Consequently, we do not use net income (loss) as a performance measure in our executive compensation program. Moreover, as a pre-commercial stage company with only limited, nonrecurring revenue associated with license and collaboration agreements, we do not believe there is any meaningful relationship between our net income (loss) and compensation actually paid to our NEOs during the periods presented.
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| Total Shareholder Return Amount |
$ 44.35
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18.44
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55.91
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| Net Income (Loss) |
$ (274,448,000)
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$ (342,994,000)
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$ (234,632,000)
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| PEO Name |
Lynn Seely, M.D.
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Lynn Seely, M.D.
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Lynn Seely, M.D.
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| Equity Awards Adjustments, Footnote |
(b)
| The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows: |
| | | | | | | | | | | | | | | | | | | 2025 | | | 5,950,339 | | | 2,447,420 | | | 179,712 | | | (42,400) | | | (25,880) | | | 8,509,191 | 2024 | | | 585,540 | | | (4,464,450) | | | — | | | (379,929) | | | — | | | (4,258,839) | 2023 | | | — | | | (7,001,445) | | | — | | | (1,896,964) | | | — | | | (8,898,409) | | | | | | | | | | | | | | | | | | | |
(a)
| The amounts deducted or added in calculating the total average equity award adjustments are as follows: |
| | | | | | | | | | | | | | | | | | | 2025 | | | 2,255,953 | | | 478,251 | | | 59,925 | | | (1,374) | | | (5,176) | | | 2,787,579 | 2024 | | | 281,657 | | | (1,076,339) | | | 87,042 | | | (159,337) | | | — | | | (866,977) | 2023 | | | 1,043,424 | | | (536,147) | | | 172,101 | | | (106,207) | | | (243,260) | | | 329,911 | | | | | | | | | | | | | | | | | | | |
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| PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
$ (3,094,357)
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$ (474,000)
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$ (1,685,250)
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| PEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
8,509,191
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(4,258,839)
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(8,898,409)
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| PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
5,950,339
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585,540
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0
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| PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
2,447,420
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(4,464,450)
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(7,001,445)
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| PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
179,712
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0
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0
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| PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
(42,400)
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(379,929)
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(1,896,964)
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| PEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
(25,880)
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0
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0
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| Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
(1,200,846)
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(666,450)
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(2,410,690)
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| Non-PEO NEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
2,787,579
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(866,977)
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329,911
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| Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
2,255,953
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281,657
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1,043,424
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| Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
478,251
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(1,076,339)
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(536,147)
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| Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
59,925
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87,042
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172,101
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| Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
(1,374)
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(159,337)
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(106,207)
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| Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
$ (5,176)
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$ 0
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$ (243,260)
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