Annual report pursuant to Section 13 and 15(d)

Information Concerning Industry Segments and Major Customers (Schedule of Segment Information) (Details)

v3.21.1
Information Concerning Industry Segments and Major Customers (Schedule of Segment Information) (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
Segment Reporting Information [Line Items]                    
Sales $ 11,675,000 $ 12,110,000 $ 9,628,000 $ 9,163,000 $ 15,364,000 $ 13,622,000 $ 10,704,000 $ 11,216,000 $ 42,575,546 $ 50,906,179
Cost of sales                 25,369,118 28,720,367
Gross profit                 17,206,428 22,185,812
Selling, general and administrative expenses                 19,218,922 22,176,598
Acquisition costs                 684,856  
Operating (loss) income from continuing operations (133,000) $ 306,000 $ (1,646,000) $ (1,224,000) 1,187,000 $ 772,000 $ (1,129,000) $ (821,000) (2,697,350) 9,214
Other income (expense)                 922,018 226,136
Operating (loss) income from continuing operations before income taxes                 (1,775,332) 235,350
Depreciation and amortization                 962,307 1,032,797
Capital expenditures                 250,000 425,000
Assets 55,556,325       59,150,712       55,556,325 59,150,712
Intersegment Eliminations [Member]                    
Segment Reporting Information [Line Items]                    
Sales                 (697,000) (842,000)
Cost of sales                 (35,000) (152,000)
Gross profit                 (662,000) (690,000)
Selling, general and administrative expenses                 (662,000) (690,000)
Assets (27,000)       (27,000)       (27,000) (27,000)
Electronics & Software Segment [Member]                    
Segment Reporting Information [Line Items]                    
Sales                 34,496,000 47,007,000
Cost of sales                 19,606,000 25,613,000
Gross profit                 14,890,000 21,394,000
Selling, general and administrative expenses                 13,875,000 17,354,000
Operating (loss) income from continuing operations                 1,015,000 4,040,000
Other income (expense)                 (10,000) (7,000)
Operating (loss) income from continuing operations before income taxes                 1,005,000 4,033,000
Depreciation and amortization                 288,000 360,000
Capital expenditures                 81,000 81,000
Assets 15,398,000       19,902,000       15,398,000 19,902,000
Services & Support Segment [Member]                    
Segment Reporting Information [Line Items]                    
Sales                 8,777,000 4,741,000
Cost of sales                 5,798,000 3,259,000
Gross profit                 2,979,000 1,482,000
Selling, general and administrative expenses                 2,669,000 1,485,000
Operating (loss) income from continuing operations                 310,000 (3,000)
Other income (expense)                 (32,000) (10,000)
Operating (loss) income from continuing operations before income taxes                 278,000 (13,000)
Depreciation and amortization                 292,000 92,000
Capital expenditures                 14,000 69,000
Assets 8,521,000       1,694,000       8,521,000 1,694,000
Other [Member]                    
Segment Reporting Information [Line Items]                    
Selling, general and administrative expenses                 3,337,000 4,028,000
Acquisition costs                 685,000  
Operating (loss) income from continuing operations                 (4,022,000) (4,028,000)
Other income (expense)                 964,000 243,000
Operating (loss) income from continuing operations before income taxes                 (3,058,000) (3,785,000)
Depreciation and amortization                 382,000 581,000
Capital expenditures                 155,000 275,000
Assets $ 31,664,000       $ 37,582,000       $ 31,664,000 $ 37,582,000