Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Cash interest paid	$ 5,318	$ 3,732
Significant non-cash financing and investing activities:
Increase in debt from in-kind interest – Note 10	9,619	11,425
Shares issued as payment of Settlement Fee – Note 14	1,749	0
Liability based restricted stock units transferred to equity – Note 16	727	765
Issuance of common stock and warrants – Note 14	385	0
Shares issued for salary continuation payments – Note 14	158	0
Plant and equipment additions included in accounts payable	0	538
1.5 Lien Notes to common stock
Significant non-cash financing and investing activities:
Debt issuance costs paid in-kind – Note 10	$ 3,300	$ 0