Quarterly report [Sections 13 or 15(d)]

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED)

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2024 $ 229,000 $ 65,455,000 $ (21,373,000) $ 44,311,000
Beginning balance, shares at Dec. 31, 2024 22,961,619      
Dividends and dividend equivalents declared (1,171,000) (1,171,000)
Stock-based compensation 81,000 81,000
Vesting of restricted stock units
Vesting of restricted stock units, shares 32,500      
Value of shares delivered to pay withholding taxes (7,000) (7,000)
Value of shares delivered to pay withholding taxes, shares (5,348)      
Treasury stock purchased and retired $ (1,000) (149,000) (150,000)
Treasury stock purchased and retired, shares (106,662)      
Net loss (363,000) (363,000)
Ending balance, value at Mar. 31, 2025 $ 228,000 64,365,000 (21,892,000) 42,701,000
Ending balance, shares at Mar. 31, 2025 22,882,109      
Stock-based compensation 80,000 80,000
Vesting of restricted stock units
Vesting of restricted stock units, shares 7,500      
Treasury stock purchased and retired (57,000) (57,000)
Treasury stock purchased and retired, shares (44,811)      
Net loss (463,000) (463,000)
Ending balance, value at Jun. 30, 2025 $ 228,000 64,445,000 (22,412,000) 42,261,000
Ending balance, shares at Jun. 30, 2025 22,844,798      
Dividends and dividend equivalents declared (1,165,000) (1,165,000)
Stock-based compensation 66,000 66,000
Vesting of restricted stock units
Vesting of restricted stock units, shares 32,500      
Treasury stock purchased and retired (80,000) (80,000)
Treasury stock purchased and retired, shares (56,705)      
Net loss (560,000) (560,000)
Ending balance, value at Sep. 30, 2025 $ 228,000 63,346,000 (23,052,000) 40,522,000
Ending balance, shares at Sep. 30, 2025 22,820,593      
Beginning balance, value at Dec. 31, 2025 $ 228,000 63,426,000 (24,092,000) 39,562,000
Beginning balance, shares at Dec. 31, 2025 22,824,009      
Dividends and dividend equivalents declared (998,000) (998,000)
Stock-based compensation 79,000 79,000
Vesting of restricted stock units $ 1,000 (1,000)
Vesting of restricted stock units, shares 40,000      
Value of shares delivered to pay withholding taxes (9,000) (9,000)
Value of shares delivered to pay withholding taxes, shares (7,130)      
Treasury stock purchased and retired $ (1,000) (84,000) (85,000)
Treasury stock purchased and retired, shares (60,996)      
Net loss (511,000) (511,000)
Ending balance, value at Mar. 31, 2026 $ 228,000 62,506,000 (24,696,000) 38,038,000
Ending balance, shares at Mar. 31, 2026 22,795,883      
Dividends and dividend equivalents declared
Stock-based compensation 42,000 42,000
Vesting of restricted stock units
Vesting of restricted stock units, shares 7,500      
Treasury stock purchased and retired (51,000) (51,000)
Treasury stock purchased and retired, shares (34,980)      
Net loss (655,000) (655,000)
Value of shares delivered for acquisition of patents $ 1,000 124,000 125,000
Value of shares delivered for acquisition of patents, shares 94,778      
Ending balance, value at Jun. 30, 2026 $ 229,000 62,672,000 (25,402,000) 37,499,000
Ending balance, shares at Jun. 30, 2026 22,863,181      
Dividends and dividend equivalents declared (1,150,000) (1,150,000)
Stock-based compensation 42,000 42,000
Vesting of restricted stock units
Vesting of restricted stock units, shares 42,500      
Treasury stock purchased and retired
Net loss (2,333,000) (2,333,000)
Ending balance, value at Sep. 30, 2026 $ 229,000 $ 61,564,000 $ (27,735,000) $ 34,058,000
Ending balance, shares at Sep. 30, 2026 22,905,681