Annual report pursuant to Section 13 and 15(d)

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

v3.21.1
Discontinued Operations (Schedule of Financial Results of Discontinued Operations) (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Discontinued Operations [Abstract]                    
Sales                 $ 3,024,000 $ 18,879,000
Cost of sales                 2,167,000 12,965,000
Selling, general and administrative expenses                 520,000 2,684,000
Restructuring expenses                 960,000  
Gain on sale of assets                 (2,247,000) (2,990,000)
Operating income before income taxes                 1,624,000 6,220,000
Income tax expense                   2,000
Income (loss) from discontinued operations $ 171,000 $ (291,000) $ (569,000) $ 2,313,000 $ 506,000 $ 860,000 $ 3,842,000 $ 1,010,000 $ 1,624,016 $ 6,218,430