v3.26.1
Pay vs Performance Disclosure - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pay vs Performance Disclosure      
Pay vs Performance Disclosure, Table
Year
​ ​
Summary
compensation
table total for
CEO(1)(3)
​ ​
Compensation
actually
paid to
CEO(1)(4)
​ ​
Average
summary
compensation
table for
non-CEO
named
executive
officers(2)(3)
​ ​
Average
compensation
actually
paid to
non-CEO
named
executive
officers(2)(4)
​ ​
Value of initial fixed of $100
investment based on:
​ ​
Net
in-come
(loss)
​
​
Total
shareholder
return
​ ​
Peer
group total
share-holder
return
​
2025
​ ​ ​ $ 6,064,754 ​ ​ ​ ​ $ 22,797,549 ​ ​ ​ ​ $ 2,123,161 ​ ​ ​ ​ $ 5,066,824 ​ ​ ​ ​ $ 503 ​ ​ ​ ​ $ 231 ​ ​ ​ ​ ​ (136,005,000) ​ ​
2024
​ ​ ​ $ 6,531,146 ​ ​ ​ ​ $ 62,814,773 ​ ​ ​ ​ $ 4,385,684 ​ ​ ​ ​ $ 13,225,376 ​ ​ ​ ​ $ 330 ​ ​ ​ ​ $ 192 ​ ​ ​ ​ ​ (83,162,000) ​ ​
2023
​ ​ ​ $ 6,570,109 ​ ​ ​ ​ $ 4,253,922 ​ ​ ​ ​ $ 1,937,951 ​ ​ ​ ​ $ 1,056,145 ​ ​ ​ ​ $ 111 ​ ​ ​ ​ $ 154 ​ ​ ​ ​ ​ 112,520,000 ​ ​
​
(1)
Mr. Wilk was our CEO for each of 2023, 2024 and 2025.
​
(2)
Our non-CEO NEOs were Ms. Gourbault, Dr. Lowe, Mr. Maes and Mr. Fitzsimmons for 2023; Dr. Lowe and Mr. D. Cote and for 2024; and Ms. Holt, Dr. Lowe, Ms. Gourbault, Mr. Maes and Mr. Fitzsimmons for 2025.
​
(3)
Amounts reflect total compensation reported for our NEOs for each corresponding year in the “Total” column of the Summary Compensation Table. Refer to the “Summary Compensation Table” of the applicable year’s proxy statement.
​
(4)
Compensation actually paid (CAP) has been calculated based on requirements and methodology set forth in the applicable SEC rules (Item 402(v) of Regulation S-K). The CAP calculation includes the end-of-year value of awards granted within the fiscal year, the change in fair value from prior year end of vested awards and the change in the fair value of unvested awards granted in prior years, regardless of
if, when or at what intrinsic value they will actually vest. To calculate CAP, the following amounts were deducted from or added to the total compensation number shown in the Summary Compensation Table:
Reconciliation of Summary Compensation Table Total to Compensation Actually
Paid for CEO 		​ ​
2023
​ ​
2024
​ ​
2025
​
Summary Compensation Table Total
​ ​ ​ $ 6,570,109 ​ ​ ​ ​ $ 6,531,146 ​ ​ ​ ​ $ 6,064,754 ​ ​
(Minus): Grant Date Fair Value of Equity Awards Granted in the Fiscal Year
​ ​ ​ $ 5,500,985 ​ ​ ​ ​ $ 5,283,217 ​ ​ ​ ​ $ 4,400,000 ​ ​
Plus: Fair Value at Year End of Outstanding and Unvested Equity Awards Granted in the Fiscal Year
​ ​ ​ $ (857,463) ​ ​ ​ ​ $ 14,201,803 ​ ​ ​ ​ $ 1,875,891 ​ ​
Plus/(Minus): Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards
​ ​ ​ $ 4,042,261 ​ ​ ​ ​ $ 47,365,041 ​ ​ ​ ​ $ 19,256,904 ​ ​
Plus/(Minus): Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in Year
​ ​ ​ $ 0 ​ ​ ​ ​ $ 0 ​ ​ ​ ​ $ 0 ​ ​
CAP Amount
​ ​ ​ $ 4,253,922 ​ ​ ​ ​ $ 62,814,773 ​ ​ ​ ​ $ 22,797,549 ​ ​
Reconciliation of Average Summary Compensation Table Total to Average
Compensation Actually Paid for non-CEO 		​ ​
2023
​ ​
2024
​ ​
2025
​
Summary Compensation Table Total
​ ​ ​ $ 1,937,951 ​ ​ ​ ​ $ 4,385,684 ​ ​ ​ ​ $ 2,123,161 ​ ​
(Minus): Grant Date Fair Value of Equity Awards Granted in the
Fiscal Year
​ ​ ​ $ 1,272,105 ​ ​ ​ ​ $ 3,828,320 ​ ​ ​ ​ $ 1,402,000 ​ ​
Plus: Fair Value at Year End of Outstanding and Unvested Equity Awards Granted in the Fiscal Year
​ ​ ​ $ (198,288) ​ ​ ​ ​ $ 3,190,038 ​ ​ ​ ​ $ 393,533 ​ ​
Plus/(Minus): Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards
​ ​ ​ $ 575,106 ​ ​ ​ ​ $ 9,477,973 ​ ​ ​ ​ $ 3,952,130 ​ ​
Plus/(Minus): Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in Year
​ ​ ​ $ 13,481 ​ ​ ​ ​ $ 0 ​ ​ ​ ​ $ 0 ​ ​
CAP Amount
​ ​ ​ $ 1,056,145 ​ ​ ​ ​ $ 13,225,376 ​ ​ ​ ​ $ 5,066,824 ​ ​
   
Named Executive Officers, Footnote
(1)
Mr. Wilk was our CEO for each of 2023, 2024 and 2025.
​
(2)
Our non-CEO NEOs were Ms. Gourbault, Dr. Lowe, Mr. Maes and Mr. Fitzsimmons for 2023; Dr. Lowe and Mr. D. Cote and for 2024; and Ms. Holt, Dr. Lowe, Ms. Gourbault, Mr. Maes and Mr. Fitzsimmons for 2025.
   
PEO Total Compensation Amount $ 6,064,754 $ 6,531,146 $ 6,570,109
PEO Actually Paid Compensation Amount $ 22,797,549 62,814,773 4,253,922
Adjustment To PEO Compensation, Footnote
(3)
Amounts reflect total compensation reported for our NEOs for each corresponding year in the “Total” column of the Summary Compensation Table. Refer to the “Summary Compensation Table” of the applicable year’s proxy statement.
​
(4)
Compensation actually paid (CAP) has been calculated based on requirements and methodology set forth in the applicable SEC rules (Item 402(v) of Regulation S-K). The CAP calculation includes the end-of-year value of awards granted within the fiscal year, the change in fair value from prior year end of vested awards and the change in the fair value of unvested awards granted in prior years, regardless of
if, when or at what intrinsic value they will actually vest. To calculate CAP, the following amounts were deducted from or added to the total compensation number shown in the Summary Compensation Table:
Reconciliation of Summary Compensation Table Total to Compensation Actually
Paid for CEO 		​ ​
2023
​ ​
2024
​ ​
2025
​
Summary Compensation Table Total
​ ​ ​ $ 6,570,109 ​ ​ ​ ​ $ 6,531,146 ​ ​ ​ ​ $ 6,064,754 ​ ​
(Minus): Grant Date Fair Value of Equity Awards Granted in the Fiscal Year
​ ​ ​ $ 5,500,985 ​ ​ ​ ​ $ 5,283,217 ​ ​ ​ ​ $ 4,400,000 ​ ​
Plus: Fair Value at Year End of Outstanding and Unvested Equity Awards Granted in the Fiscal Year
​ ​ ​ $ (857,463) ​ ​ ​ ​ $ 14,201,803 ​ ​ ​ ​ $ 1,875,891 ​ ​
Plus/(Minus): Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards
​ ​ ​ $ 4,042,261 ​ ​ ​ ​ $ 47,365,041 ​ ​ ​ ​ $ 19,256,904 ​ ​
Plus/(Minus): Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in Year
​ ​ ​ $ 0 ​ ​ ​ ​ $ 0 ​ ​ ​ ​ $ 0 ​ ​
CAP Amount
​ ​ ​ $ 4,253,922 ​ ​ ​ ​ $ 62,814,773 ​ ​ ​ ​ $ 22,797,549 ​ ​
   
Non-PEO NEO Average Total Compensation Amount $ 2,123,161 4,385,684 1,937,951
Non-PEO NEO Average Compensation Actually Paid Amount $ 5,066,824 13,225,376 1,056,145
Adjustment to Non-PEO NEO Compensation Footnote
(3)
Amounts reflect total compensation reported for our NEOs for each corresponding year in the “Total” column of the Summary Compensation Table. Refer to the “Summary Compensation Table” of the applicable year’s proxy statement.
​
(4)
Compensation actually paid (CAP) has been calculated based on requirements and methodology set forth in the applicable SEC rules (Item 402(v) of Regulation S-K). The CAP calculation includes the end-of-year value of awards granted within the fiscal year, the change in fair value from prior year end of vested awards and the change in the fair value of unvested awards granted in prior years, regardless of
if, when or at what intrinsic value they will actually vest. To calculate CAP, the following amounts were deducted from or added to the total compensation number shown in the Summary Compensation Table:
Reconciliation of Average Summary Compensation Table Total to Average
Compensation Actually Paid for non-CEO 		​ ​
2023
​ ​
2024
​ ​
2025
​
Summary Compensation Table Total
​ ​ ​ $ 1,937,951 ​ ​ ​ ​ $ 4,385,684 ​ ​ ​ ​ $ 2,123,161 ​ ​
(Minus): Grant Date Fair Value of Equity Awards Granted in the
Fiscal Year
​ ​ ​ $ 1,272,105 ​ ​ ​ ​ $ 3,828,320 ​ ​ ​ ​ $ 1,402,000 ​ ​
Plus: Fair Value at Year End of Outstanding and Unvested Equity Awards Granted in the Fiscal Year
​ ​ ​ $ (198,288) ​ ​ ​ ​ $ 3,190,038 ​ ​ ​ ​ $ 393,533 ​ ​
Plus/(Minus): Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards
​ ​ ​ $ 575,106 ​ ​ ​ ​ $ 9,477,973 ​ ​ ​ ​ $ 3,952,130 ​ ​
Plus/(Minus): Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in Year
​ ​ ​ $ 13,481 ​ ​ ​ ​ $ 0 ​ ​ ​ ​ $ 0 ​ ​
CAP Amount
​ ​ ​ $ 1,056,145 ​ ​ ​ ​ $ 13,225,376 ​ ​ ​ ​ $ 5,066,824 ​ ​
   
Compensation Actually Paid vs. Total Shareholder Return
[MISSING IMAGE: bc_shareholder-4c.jpg]
   
Compensation Actually Paid vs. Net Income
[MISSING IMAGE: bc_netincome-4c.jpg]
   
Total Shareholder Return Amount $ 503 330 111
Peer Group Total Shareholder Return Amount 231 192 154
Net Income (Loss) $ (136,005,000) (83,162,000) 112,520,000
PEO Name Mr. Wilk    
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount $ (4,400,000) (5,283,217) (5,500,985)
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 1,875,891 14,201,803 (857,463)
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 19,256,904 47,365,041 4,042,261
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 0 0 0
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount (1,402,000) (3,828,320) (1,272,105)
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 393,533 3,190,038 (198,288)
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 3,952,130 9,477,973 575,106
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount $ 0 $ 0 $ 13,481