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6. Joint Ventures (Details)
6 Months Ended
Jan. 29, 2016
Jun. 30, 2020
New Jersey Mill    
Equity Method Investment, Additional Information   The Company owns 65% of the New Jersey Mill Joint Venture and has significant influence in its operations.
Butte Highlands JV, LLC    
Equity Method Investment, Additional Information On January 29, 2016, the Company purchased a 50% interest in Butte Highlands JV, LLC (“BHJV”) from Timberline Resources Corporation for $225,000 in cash and 3,000,000 restricted shares of the Company’s common stock valued at $210,000 for a total consideration of $435,000