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Income Taxes- Future Income Taxes (Recovery) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	$ 38,622	$ 33,953
Less: valuation allowance	(38,596)	(33,927)
Net future tax assets	26	26
SR&ED expenditures [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	2,086	2,086
Non refundable Investment Tax Credits [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	421	700
Share Issue Costs [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	62	77
Income Tax Loss Carry forwards [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	34,948	30,007
Fixed and intangible assets [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	1,083	1,083
Reserves [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	$ 22	$ 0

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
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