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Schedule of Changes in Stockholders' Equity (Details) - USD ($)
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance $ 2,503,000 $ 2,933,000
Issuance of common stock for equity compensation, net of shares repurchased for income tax withholding (20,000) (18,000)
Equity-based compensation expense 366,000 268,000
Cash settlement of equity-based compensation   (24,000)
Conversion of debt and interest (Note 6) 136,000  
Issuance of stock for services   8,000
Net loss (449,000) (889,000)
Balance 2,536,000 2,278,000
Common Stock [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance
Balance, shares 14,420,105 12,934,741
Issuance of common stock for equity compensation, net of shares repurchased for income tax withholding
Issuance of common stock for equity compensation, net of shares repurchased for income tax withholding, shares 175,562 65,779
Equity-based compensation expense
Cash settlement of equity-based compensation  
Conversion of debt and interest (Note 6)  
Conversion of debt and interest (Note 6), shares 124,208  
Issuance of stock for services  
Issuance of stock for services, shares   2,083
Net loss
Balance
Balance, shares 14,719,875 13,002,603
Additional Paid-in Capital [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance $ 63,299,000 $ 60,905,000
Issuance of common stock for equity compensation, net of shares repurchased for income tax withholding (20,000) (18,000)
Equity-based compensation expense 366,000 268,000
Cash settlement of equity-based compensation   (24,000)
Conversion of debt and interest (Note 6) 136,000  
Issuance of stock for services   8,000
Net loss
Balance 63,781,000 61,139,000
Retained Earnings [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance (60,796,000) (57,972,000)
Issuance of common stock for equity compensation, net of shares repurchased for income tax withholding
Equity-based compensation expense
Cash settlement of equity-based compensation  
Conversion of debt and interest (Note 6)  
Issuance of stock for services  
Net loss (449,000) (889,000)
Balance $ (61,245,000) $ (58,861,000)