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Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
ASSETS    
Other physical property, accumulated depreciation $ 545 $ 536
CURRENT ASSETS:    
Accounts receivables, reserves $ 1,610 $ 1,610
COMMON STOCKHOLDERS' EQUITY:    
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, authorized (in shares) 46,500,000 46,500,000
Common stock, issued (in shares) 14,399,650 14,386,282
Common stock, outstanding (in shares) 14,399,650 14,386,282
Preferred stock, authorized (in shares) 500,000 500,000
Preferred stock, issued (in shares) 0 0