M&EC  | 
6 Months Ended | |||||||||||||||||||||||||||
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Jun. 30, 2019  | ||||||||||||||||||||||||||||
| Asset Retirement Obligation Disclosure [Abstract] | ||||||||||||||||||||||||||||
| M&EC | 
 
 The Company has completed the closure and decommissioning activities of its M&EC facility in accordance with M&EC’s license and permit requirements. 
 At June 30, 2019, total accrued closure liabilities for our M&EC subsidiary totaled approximately $156,000 which are recorded as current liabilities. The Company recorded an additional $330,000 in closure costs and current closure liabilities during the first six months of 2019 due to finalization of closure requirements, of which approximately $165,000 was recorded in the second quarter of 2019. The following reflects changes to the closure liabilities for the M&EC facility from year end 2018: 
 
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- Definition Accounting For Closure Of Facility [Text Block] No definition available. 
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- References No definition available. 
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