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FAIR VALUE ACCOUNTING (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Liabilities:
Long term debt	$ 48,200	$ 49,500
Gold Bar mine
Liabilities:
Impairment of long-lived assets	$ 83,800
Recurring
Assets:
Investments		1,885
Recurring | Level 1
Assets:
Investments		1,885
Marketable equity securities. | Recurring
Assets:
Investments		1,885
Marketable equity securities. | Recurring | Level 1
Assets:
Investments		$ 1,885

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