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Common Shares - Equity Financing (Details) $ in Thousands	1 Months Ended			12 Months Ended
	Jul. 31, 2021 USD ($) $ / shares Y shares	Jan. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2021 USD ($) security shares	Dec. 31, 2020 USD ($) shares
Subsidiary, Sale of Stock [Line Items]
Proceeds from Issuance of Common Stock | $				$ 13,385	$ 1,768
Warrants Not Settleable in Cash, Fair Value Disclosure | $	$ 1,991
Measurement Input, Option Volatility [Member]
Subsidiary, Sale of Stock [Line Items]
Warrants and Rights Outstanding, Measurement Input	70.6
Measurement Input, Risk Free Interest Rate [Member]
Subsidiary, Sale of Stock [Line Items]
Warrants and Rights Outstanding, Measurement Input	0.43
Measurement Input, Expected Term [Member]
Subsidiary, Sale of Stock [Line Items]
Warrants and Rights Outstanding, Measurement Input | Y	3
Measurement Input, Share Price [Member]
Subsidiary, Sale of Stock [Line Items]
Warrants and Rights Outstanding, Measurement Input | $ / shares	0.89
Capital Units [Member]
Subsidiary, Sale of Stock [Line Items]
Stock Issued During Period, Shares, New Issues	12,272,730
Proceeds from Issuance of Common Stock | $	$ 12,323
Payments of Stock Issuance Costs | $	$ 1,177
Number Of Shares Converted By Each Unit	1
Number Of Shares Converted By Each Warrant	0.5
Warrants Issued	7,408,101
Class of Warrant or Right, Exercisable Term	36 months
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	1
Exercise Price Of Warrants Or Rights | $ / shares	$ 1.25
Common Stock, Fair Value Disclosure | $	$ 11,509
Underwriter [Member] | Capital Units [Member]
Subsidiary, Sale of Stock [Line Items]
Warrants Issued	351,282
At-The-Market Offering Agreement [Member] | H. C. Wainwright And Co., LLC [Member]
Subsidiary, Sale of Stock [Line Items]
Threshold of aggregate sales proceeds | $			$ 10,000	$ 10,000
Stock Issued During Period, Shares, New Issues				798,270	2,028,334
Proceeds from Issuance of Common Stock | $		$ 191		$ 871	$ 1,959
Offers or sales of common shares under Agreement to be made in Canada | security				0
Over-Allotment Option | Underwriter [Member] | Capital Units [Member]
Subsidiary, Sale of Stock [Line Items]
Warrants Issued	920,454

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