Income Taxes - Income Tax Loss Carry Forwards And Non-Refundable Investment tax Credits (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Province State [Member]
Income Tax [Line Items]
SR & ED expenditures (no expiry)	$ 0
Province State [Member] | Year 2019 [Member]
Income Tax [Line Items]
Investment tax credits (expiry date)	0
Province State [Member] | Year 2020 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	6,169
Investment tax credits (expiry date)	0
Province State [Member] | Year 2021 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	2,716
Investment tax credits (expiry date)	0
Province State [Member] | Year 2022 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	4,219
Investment tax credits (expiry date)	0
Province State [Member] | Year 2023 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	4,164
Investment tax credits (expiry date)	0
Province State [Member] | Year 2024 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	2,116
Investment tax credits (expiry date)	0
Province State [Member] | Year 2025 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	11,786
Investment tax credits (expiry date)	0
Province State [Member] | Year 2026 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	4,698
Investment tax credits (expiry date)	0
Province State [Member] | Year 2027 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	6,980
Investment tax credits (expiry date)	0
Province State [Member] | Year 2028 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	6,724
Province State [Member] | Year 2029 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	2,416
Province State [Member] | Year 2030 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	3,376
Province State [Member] | Year 2031 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	3,746
Province State [Member] | Year 2032 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	996
Province State [Member] | Year 2033 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	3,149
Province State [Member] | Year 2034 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	4,600
Province State [Member] | Year 2035 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	1,189
Province State [Member] | Year 2036 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	2,882
Province State [Member] | Year 2037 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	5,267
Province State [Member] | Year 2038 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	5,687
Province State [Member] | No Expiry [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	0
Federal [Member]
Income Tax [Line Items]
SR & ED expenditures (no expiry)	7,872
Federal [Member] | Year 2019 [Member]
Income Tax [Line Items]
Investment tax credits (expiry date)	91
Federal [Member] | Year 2020 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	0
Investment tax credits (expiry date)	52
Federal [Member] | Year 2021 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	26
Investment tax credits (expiry date)	521
Federal [Member] | Year 2022 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	233
Investment tax credits (expiry date)	379
Federal [Member] | Year 2023 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	1,588
Investment tax credits (expiry date)	169
Federal [Member] | Year 2024 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	4,849
Investment tax credits (expiry date)	189
Federal [Member] | Year 2025 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	17,229
Investment tax credits (expiry date)	82
Federal [Member] | Year 2026 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	6,690
Investment tax credits (expiry date)	86
Federal [Member] | Year 2027 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	10,555
Investment tax credits (expiry date)	47
Federal [Member] | Year 2028 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	10,250
Federal [Member] | Year 2029 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	3,916
Federal [Member] | Year 2030 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	3,243
Federal [Member] | Year 2031 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	3,675
Federal [Member] | Year 2032 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	1,755
Federal [Member] | Year 2033 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	1,782
Federal [Member] | Year 2034 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	1,685
Federal [Member] | Year 2035 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	2,131
Federal [Member] | Year 2036 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	3,901
Federal [Member] | Year 2037 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	7,024
Federal [Member] | Year 2038 [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	5,687
Federal [Member] | No Expiry [Member]
Income Tax [Line Items]
Income tax loss carryforwards (expiry date)	$ 5,899