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Preferred Stock (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Feb. 12, 2016
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Preferred shares authorized   100,000   100,000
Preferred shares, par value   $ 0.01   $ 0.01
Number of stock shares issued     1,288,537  
Liquidation preference   $ 3,130   $ 2,856
Acquisition percentage description   Concurrent with entry into the Acquisition Agreement and the Series A Purchase Agreement, the Company and MEM entered into an Investor Rights Agreement, which provides MEM rights to certain information and Board observer rights. MEM has agreed that it, along with its affiliates, will not acquire more than 16.86% of the Company's issued and outstanding shares of common stock.    
Series P Preferred Stock [Member]        
Preferred shares authorized   50,000    
Preferred shares outstanding      
Series A Convertible Preferred Stock [Member]        
Liquidation preference per share $ 40      
Liquidation preference $ 2,000      
Preferred stock, dividend rate 12.25%      
Number of shares converted 13.33      
Preferred stock issued upon conversion 666,667      
Number of common Stock issued upon conversion   793,349   793,349
Series A Convertible Preferred Stock [Member] | Mt. Emmons Mining Company [Member]        
Number of stock shares issued 50,000