Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2022

Supplemental Cash Flow Information [Abstract]

Schedule of supplemental cash flow information

The following table provides supplemental cash flow information (dollars in thousands):

	Three Months Ended March 31,
	2022		2021
Cash interest paid	$	1,495	$	—
Significant non-cash financing and investing activities:
Increase in debt from in-kind interest	2,340		3,971
Mobile equipment acquired by note payable	—		407
Plant, equipment, and mine development additions included in accounts payable	—		911
Liability based restricted stock units transferred to equity	37		—
Debt issuance costs paid in-kind	3,300		—
Accrual of equity issuance costs included in Accounts payable and accrued expenses	766		—