Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Mine site period costs

The following table summarize the components of Mine site period costs (dollars in thousands):

	Year Ended December 31,
	2021		2020
Production related costs	$	36,512	$	44,127
Capitalized depreciation and amortization	1,654		2,988
Total	$	38,166	$	47,115