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 ($)
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (826,000) $ (1,578,000)
Adjustments to reconcile net loss to net cash    
Amortization of patents 67,000 60,000
Stock-based compensation 161,000 210,000
Loss allocated from equity method investment 741,000 1,305,000
Unrealized (gain) loss on marketable securities (170,000) 52,000
Deferred tax benefit (149,000) (284,000)
Amortization of operating leases – right of use assets 27,000 32,000
Changes in operating assets and liabilities:    
Other current assets 52,000 24,000
Accounts payable 1,000 81,000
Operating lease obligations (24,000) (41,000)
Accrued expenses (382,000) (521,000)
  NET CASH USED IN OPERATING ACTIVITIES (502,000) (660,000)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Sales of marketable securities 7,554,000 12,852,000
Purchases of marketable securities (4,990,000) (6,993,000)
Acquisitions of patents (414,000)
NET CASH PROVIDED BY INVESTING ACTIVITIES 2,150,000 5,859,000
  CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid (1,155,000) (1,212,000)
Value of shares delivered to fund payment of withholding taxes (7,000) (61,000)
Repurchases of common stock, inclusive of commissions (207,000) (883,000)
NET CASH USED IN FINANCING ACTIVITIES: (1,369,000) (2,156,000)
NET INCREASE  IN CASH AND CASH EQUIVALENTS 279,000 3,043,000
CASH AND CASH EQUIVALENTS, beginning of period 13,145,000 16,896,000
CASH AND CASH EQUIVALENTS, end of period 13,424,000 19,939,000
Cash paid during the period for:    
Interest
Income taxes
NON-CASH FINANCING ACTIVITIES    
Accrued dividend rights on restricted stock units 27,000 32,000
Right of use asset and lease liability $ 75,000