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Discontinued Operations (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Discontinued Operations and Disposal Groups [Abstract]        
Net revenue   $ 5,262,000 $ 132,000 $ 12,982,000
Cost of goods sold 4,252,000 105,000 10,769,000
Gross profit 1,010,000 27,000 2,213,000
Operating expenses:        
Selling, general and administrative 100,000 91,000 155,000 1,442,000
Loss on assets held for sale (2,493,000) (930,000)
Total operating loss (100,000) (1,574,000) (128,000) (159,000)
Interest expense (2,000) (1,000) (4,000)
Other (expense) income (111,000) 4,000 (10,000) 7,000
Income from discontinued operations before income taxes (211,000) (1,572,000) (139,000) (156,000)
Provision for income taxes 2,000
Income from discontinued operations, net of income tax $ (211,000) $ (1,572,000) $ (139,000) $ (158,000)