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 ($)
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:    
  Net loss $ (1,386,000) $ (1,894,000)
  Adjustments to reconcile net loss to net cash used in operating activities    
Amortization of patents 104,000 90,000
Stock-based compensation 227,000 313,000
Loss allocated from equity method investment 1,095,000 1,613,000
Unrealized gain on marketable securities (108,000) (244,000)
Deferred tax benefit (232,000) (355,000)
Amortization of operating leases – right of use assets 27,000 48,000
Changes in operating assets and liabilities:    
Other current assets 66,000 65,000
Accounts payable 17,000 246,000
Operating lease obligations (24,000) (58,000)
Accrued expenses (392,000) (509,000)
  NET CASH USED IN OPERATING ACTIVITIES (606,000) (685,000)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Sales of marketable securities 10,192,000 13,582,000
Purchases of marketable securities (12,018,000) (11,968,000)
Acquisition of patents (415,000)
NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES (2,241,000) 1,614,000
  CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid (2,296,000) (2,366,000)
Value of shares delivered to fund payment of withholding taxes (7,000) (61,000)
Repurchases of common stock, inclusive of commissions and excise tax (287,000) (1,083,000)
NET CASH USED IN FINANCING ACTIVITIES: (2,590,000) (3,510,000)
NET DECREASE IN CASH AND CASH EQUIVALENTS (5,437,000) (2,581,000)
CASH AND CASH EQUIVALENTS, beginning of period 13,145,000 16,896,000
CASH AND CASH EQUIVALENTS, end of period 7,708,000 14,315,000
Cash paid during the period for:    
  Interest
  Income taxes
NON-CASH FINANCING ACTIVITIES    
Accrued dividend rights on restricted stock units 51,000 59,000
Right of use asset for lease liability $ 75,000