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Discontinued Operations (Details) - USD ($)
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Discontinued Operations and Disposal Groups [Abstract]    
Net revenue $ 132,000 $ 2,876,000
Cost of sales 105,000 2,456,000
Gross profit 27,000 420,000
Operating expenses:    
Selling, general and administrative 96,000 627,000
Loss on assets held for sale 41,000
Total Operating expenses (28,000) (207,000)
Interest income (expense) and financing costs (1,000) (1,000)
Other income 101,000 (1,000)
Gain (loss) 72,000 (207,000)
Provision for income taxes (2,000)
Income (loss) from discontinued operations, net of income tax $ 72,000 $ (209,000)