Other Liabilities (Details)				1 Months Ended					12 Months Ended
	Apr. 07, 2020 USD ($)	Dec. 09, 2019 USD ($)	Sep. 11, 2019 USD ($)	Dec. 31, 2020 USD ($) payment	Aug. 31, 2020 USD ($)	Jun. 30, 2020 USD ($) payment	Dec. 31, 2019 USD ($) installment	Jun. 30, 2019 USD ($) installment	Dec. 31, 2020 USD ($)
Other Current Liabilities
Autlan refundable deposit					$ 1,500,000		$ 1,251,000
Premium financing				$ 390,000			455,000		$ 390,000
Other current liabilities				667,000			1,824,000		$ 667,000
Repayments of deposits	$ 81,000	$ 257,000
Refundable Deposit Interest Rate	12.00%	11.00%							11.00%
Repayment of refundable deposit			$ 1,500,000
Interest paid on refundable deposit					66,000
Interest expense on refundable deposit					$ 55,000
Other long term liabilities				648,000			494,000		$ 648,000
General Liability
Other Current Liabilities
Premium financing				23,000			51,000		23,000
Premium amount						$ 110,000		$ 151,000
Number of payment						12		12
Premium interest rate						5.74%		5.74%
Directors and Officers Liability Insurance
Other Current Liabilities
Premium financing				$ 363,000			404,000		363,000
Premium amount							$ 482,000
Number of payment				8			12
Premium interest rate				5.74%			5.74%
Insurance premium payable				$ 406,000					406,000
Office Leases
Other Current Liabilities
Office lease liability				138,000			$ 118,000		138,000
Operating lease liability				300,000					300,000
Mining Equipment Lease Property
Other Current Liabilities
Office lease liability				139,000					139,000
Operating lease liability				$ 300,000					$ 300,000