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Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)
$ in Thousands
Share-Based Payment Arrangement, Employee [Member]
Common Stock [Member]
Share-Based Payment Arrangement, Employee [Member]
Additional Paid-in Capital [Member]
Share-Based Payment Arrangement, Employee [Member]
Retained Earnings [Member]
Share-Based Payment Arrangement, Employee [Member]
Director [Member]
Common Stock [Member]
Director [Member]
Additional Paid-in Capital [Member]
Director [Member]
Retained Earnings [Member]
Director [Member]
Retention Bonus Plan [Member]
Common Stock [Member]
Retention Bonus Plan [Member]
Additional Paid-in Capital [Member]
Retention Bonus Plan [Member]
Retained Earnings [Member]
Retention Bonus Plan [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2023                         10,409,027      
Balance at Dec. 31, 2023                         $ 104 $ 82,073 $ (53,346) $ 28,831
Stock-based compensation $ 0 $ 9 $ 0 $ 9                        
Net loss                         0 0 (670) (670)
Shares issued to directors as compensation 0 9 0 9                        
Net loss                         $ 0 0 (670) (670)
Balance (in shares) at Sep. 30, 2024                         10,446,659      
Balance at Sep. 30, 2024                         $ 104 82,206 (54,016) 28,294
Shares issued to employees pursuant to the Retention Bonus Plan (in shares)                 37,632              
Shares issued to employees pursuant to the Retention Bonus Plan                 $ 0 $ 124 $ 0 $ 124        
Balance (in shares) at Jun. 30, 2024                         10,446,659      
Balance at Jun. 30, 2024                         $ 104 82,203 (54,070) 28,237
Stock-based compensation 0 3 0 3                        
Net loss                         0 0 54 54
Shares issued to directors as compensation 0 3 0 3                        
Net loss                         $ 0 0 54 54
Balance (in shares) at Sep. 30, 2024                         10,446,659      
Balance at Sep. 30, 2024                         $ 104 82,206 (54,016) 28,294
Balance (in shares) at Dec. 31, 2024                         10,446,659      
Balance at Dec. 31, 2024                         $ 104 82,210 (56,854) 25,460
Stock-based compensation 0 1,559 0 1,559 $ 1 $ 140 $ 0 $ 141                
Net loss                         0 0 (6,311) (6,311)
Shares issued to directors as compensation (in shares)         72,273                      
Shares issued to directors as compensation 0 1,559 0 1,559 $ 1 $ 140 $ 0 $ 141                
Issuance of warrants                         0 1,040 0 1,040
Net loss                         $ 0 0 (6,311) (6,311)
Balance (in shares) at Sep. 30, 2025                         10,518,932      
Balance at Sep. 30, 2025                         $ 105 84,949 (63,165) 21,889
Balance (in shares) at Jun. 30, 2025                         10,518,932      
Balance at Jun. 30, 2025                         $ 105 84,641 (55,303) 29,443
Stock-based compensation 0 308 0 308                        
Net loss                         0 0 (7,862) (7,862)
Shares issued to directors as compensation $ 0 $ 308 $ 0 $ 308                        
Net loss                         $ 0 0 (7,862) (7,862)
Balance (in shares) at Sep. 30, 2025                         10,518,932      
Balance at Sep. 30, 2025                         $ 105 $ 84,949 $ (63,165) $ 21,889