Amendment Description Amendment Flag Auditor Firm ID Auditor Location Auditor Name Auditor Opinion [Text Block] City Area Code Cover [Abstract] Current Fiscal Year End Date Document Annual Report Document Description Document Financial Statement Error Correction [Flag] Document Financial Statement Restatement Recovery Analysis [Flag] Document Fiscal Period Focus Document Fiscal Year Focus Document Period End Date Document Period Start Date Documents Incorporated by Reference [Text Block] Document Transition Report Document Type Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, Country Entity Address, Postal Zip Code Entity Address, State or Province Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Emerging Growth Company Entity Ex Transition Period Entity File Number Entity Filer Category Entity Incorporation, State or Country Code Entity Interactive Data Current Entity Listing, Par Value Per Share Entity Listings, Exchange [Axis] Entity Public Float Entity Registrant Name Entity Shell Company Entity Small Business Entity Tax Identification Number Entity Voluntary Filers Entity Well-known Seasoned Issuer Exchange [Domain] ICFR Auditor Attestation Flag Local Phone Number No Trading Symbol Flag Phone Fax Number Description Title of 12(b) Security Title of 12(g) Security Security Exchange Name Trading Symbol NASDAQ CXD [Member] The Nasdaq Stock Market TORONTO STOCK EXCHANGE [Member] The Toronto Stock Exchange Auditor [Axis] Auditor [Domain] Current Auditor [Member] Predecessor Auditor [Member] Common Stock [Member] Common Shares Common shares [Member] Equity Component [Domain] Equity Components [Axis] Statement [Line Items] Statement [Table]