Debt, Net - Components of debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt, net, current:
Total	$ 2,330	$ 2,328
Debt, net, non-current:
Less, debt issuance costs	(1,628)	(2,098)
Total	142,617	132,690
Unamortized discount	8,259
Notes Payable, Other Payables
Debt, net, current:
Debt, gross, current	130	128
Debt, net, non-current:
Debt, gross, noncurrent	76	205
Sprott Credit Agreement
Debt, net, current:
Debt, gross, current	2,200	2,200
Debt, net, non-current:
Debt, gross, noncurrent	42,530	42,503
Additional interest, current maturities	2,200	2,200
Additional interest, excluding current maturities	1,100	1,100
Unamortized discount	10,500	10,500
Subordinated Notes
Debt, net, non-current:
Debt, gross, noncurrent	$ 101,639	$ 92,080