Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations (Schedule of Financial Results of Discontinued Operations) (Details)

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Discontinued Operations (Schedule of Financial Results of Discontinued Operations) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Discontinued Operations [Abstract]        
Sales   $ 4,601,000 $ 3,024,000 $ 14,804,000
Cost of sales $ 99,000 3,148,000 2,149,000 10,083,000
Selling, general and administrative expenses 22,000 596,000 522,000 1,997,000
Restructuring expenses 194,000   958,000  
Gain on sale of assets (19,000) (4,000) (2,058,000) (2,989,000)
Operating (loss) income before income taxes (296,000) 861,000 1,453,000 5,713,000
Income tax expense (benefit) (5,000) 10,000   7,000
(Loss) income from discontinued $ (291,318) $ 850,837 $ 1,453,289 $ 5,706,338