Quarterly report [Sections 13 or 15(d)]

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (511,000) $ (363,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Amortization of patents 44,000 30,000
Stock-based compensation 79,000 81,000
Gain on equity investment (1,052,000)
Loss allocated from equity method investment 462,000
Deferred tax expense (benefit) 245,000 (111,000)
Amortization of right of use asset 20,000
Unrealized loss (gain) on marketable net securities 361,000 (149,000)
Changes in operating assets and liabilities:    
Other current assets 42,000 38,000
Accounts payable 99,000 503,000
Operating lease obligations (17,000)
Accrued expenses 383,000 (335,000)
  NET CASH (USED IN) PROVIDED BY OPERATING ACTIVITIES (310,000) 159,000
CASH FLOWS FROM INVESTING ACTIVITIES:    
Sales of marketable securities 3,429,000 4,199,000
Purchases of marketable securities (6,302,000) (3,500,000)
Acquisition of patents (375,000) (414,000)
NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES (3,248,000) 285,000
  CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid (1,140,000) (1,144,000)
Value of shares delivered to fund payment of withholding taxes (9,000) (7,000)
Repurchases of common stock, inclusive of commissions (85,000) (150,000)
NET CASH USED IN FINANCING ACTIVITIES: (1,234,000) (1,301,000)
NET DECREASE IN CASH AND CASH EQUIVALENTS (4,792,000) (857,000)
CASH AND CASH EQUIVALENTS, beginning of period 13,402,000 13,145,000
CASH AND CASH EQUIVALENTS, end of period 8,610,000 12,288,000
Cash paid during the period for:    
Interest
Income taxes
NON-CASH FINANCING ACTIVITIES    
Accrued dividend rights on restricted stock units, net of forfeitures (142,000) 27,000
Right of use asset and lease liability