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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Income Statement [Abstract]    
Revenue $ 2,091,000 $ 2,526,000
Cost of revenue 1,236,000 1,762,000
Gross profit 855,000 764,000
Operating expenses:    
Selling, marketing and distribution 667,000 675,000
General and administrative 994,000 823,000
Depreciation and amortization 104,000 161,000
Total operating expenses 1,765,000 1,659,000
Net loss $ (910,000) $ (895,000)
Per share information - basic and fully diluted:    
Weighted average shares outstanding 12,977,000 12,909,000
Net loss per share $ (0.07) $ (0.07)