Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Schedule of Segment Information) (Details)

v3.21.1
Segment Information (Schedule of Segment Information) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Segment Reporting Information [Line Items]      
Sales $ 10,159,315 $ 9,162,742  
Cost of sales 5,942,677 5,425,595  
Gross profit 4,216,638 3,737,147  
Selling, general and administrative expenses 5,219,731 4,960,890  
Acquisition-related costs 1,143,423    
Operating loss from continuing operations (2,146,516) (1,223,743)  
Other (expense) income (13,132) 410,567  
Operating loss from continuing operations before income taxes (2,159,648) (813,176)  
Depreciation and amortization 260,321 211,461  
Capital expenditures 9,000 56,000  
Assets 53,108,238 56,839,000 $ 55,556,325
Intersegment Eliminations [Member]      
Segment Reporting Information [Line Items]      
Sales (144,000) (200,000)  
Cost of sales   (1,000)  
Gross profit (144,000) (199,000)  
Selling, general and administrative expenses (144,000) (199,000)  
Depreciation and amortization    
Capital expenditures    
Assets (27,000) (27,000)  
Electronics & Software Segment [Member]      
Segment Reporting Information [Line Items]      
Sales 8,365,000 8,536,000  
Cost of sales 4,781,000 4,807,000  
Gross profit 3,584,000 3,729,000  
Selling, general and administrative expenses 3,608,000 3,897,000  
Operating loss from continuing operations (24,000) (168,000)  
Other (expense) income (19,000) 14,000  
Operating loss from continuing operations before income taxes (43,000) (154,000)  
Depreciation and amortization 68,000 71,000  
Capital expenditures 4,000 43,000  
Assets 14,571,000 15,665,000  
Services & Support Segment [Member]      
Segment Reporting Information [Line Items]      
Sales 1,938,000 827,000  
Cost of sales 1,162,000 620,000  
Gross profit 776,000 207,000  
Selling, general and administrative expenses 979,000 328,000  
Operating loss from continuing operations (203,000) (121,000)  
Operating loss from continuing operations before income taxes (203,000) (121,000)  
Depreciation and amortization 154,000 13,000  
Capital expenditures 5,000    
Assets 7,950,000 1,394,000  
Other [Member]      
Segment Reporting Information [Line Items]      
Sales    
Cost of sales    
Gross profit    
Selling, general and administrative expenses 777,000 935,000  
Acquisition-related costs 1,143,000    
Operating loss from continuing operations (1,920,000) (935,000)  
Other (expense) income 6,000 397,000  
Operating loss from continuing operations before income taxes (1,914,000) (538,000)  
Depreciation and amortization 38,000 127,000  
Capital expenditures 13,000  
Assets $ 30,614,000 $ 39,807,000