Debt, Net - Components of debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt, net, current:
Less, debt issuance costs, current	$ (672)	$ (154)
Total	16,666	5,120
Debt, net, non-current:
Less, debt issuance costs, noncurrent	(2,115)	(4,026)
Total	143,638	142,665
Unamortized discount	10,024	14,700
Notes payable
Debt, net, current:
Debt, gross, current	115	0
Debt, net, non-current:
Debt, gross, noncurrent	345	0
Sprott Credit Agreement
Debt, net, current:
Debt, gross, current	17,223	5,274
Debt, net, non-current:
Debt, gross, noncurrent	51,809	61,894
Subordinated Notes
Debt, net, non-current:
Debt, gross, noncurrent	$ 93,599	$ 84,797

Long-term Debt, Gross, Current Maturities

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Long-term Debt, Gross, Excluding Current Maturities

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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