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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
shares in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Income Statement [Abstract]    
Revenues $ 13,617,000 $ 20,107,000
Cost of goods sold 14,237,000 17,098,000
Gross (loss) profit (620,000) 3,009,000 Close
Selling, general and administrative expenses 3,544,000 3,486,000 Close
Research and development 296,000 99,000 CloseClose
Total Operating Expenses 3840000.0 3585000.0 0 0 0 Close
Loss from operations (4,460,000) (576,000) Close
Other income (expense):     Close
Interest income 174,000 127,000 Close
Interest expense (116,000) (53,000) Close
Interest expense-financing fees (13,000) (20,000) Close
Total Other Income Expenses 46000.0 54000.0 0 0 0 Close
Other 1,000 CloseClose
Loss from continuing operations before taxes (4,414,000) (522,000) Close
Income tax benefit (956,000) (204,000) Close
Loss from continuing operations, net of taxes (3,458,000) (318,000)
Loss from discontinued operations (net of taxes) (Note 10) (102,000) (93,000) Close
Net loss $ (3,560,000) $ (411,000) Close
Net loss per common share - basic and diluted:    
Continuing operations - basic $ (0.25) $ (0.02)
Continuing operations - diluted (0.25) (0.02)
Discontinued operations - basic (0.01) (0.01)
Discontinued operations - diluted (0.01) (0.01)
Net loss per common share - basic (0.26) (0.03)
Net loss per common share - diluted $ (0.26) $ (0.03)
Number of common shares used in computing net loss per share:    
Basic 13,676 13,358
Diluted 13,676 13,358