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Stock Options and Restricted Stock Units (Details - Stock options) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Options outstanding, ending balance 50,000    
Weighted average exercise price, ending balance $ 23.01    
Options Held [Member]      
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Options outstanding 59,750 106,750  
Range of exercise price options outstanding   6.80 – 27.71 6.80 – 27.71
Weighted average exercise price, beginning balance $ 22.60 $ 22.32  
Aggregate intrinsic value, beginning balance $ 10,700 $ 176,360  
Number of options, granted 0 0  
Weighted average exercise price, granted $ 0 $ 0  
Aggregate intrinsic value. granted $ 0 $ 0  
Number of options, exercised 0 0  
Weighted average exercise price, exercised $ 0 $ 0  
Aggregate intrinsic value. exercised $ 0 $ 0  
Number of options, forfeited/cancelled (9,750) (47,000)  
Range of exercise price options, forfeited/cancelled 10.75 – 27.71 9.26 – 26.00  
Weighted average exercise price, forfeited/cancelled $ 20.51 $ 21.97  
Aggregate intrinsic value. forfeited/cancelled $ 0 $ 0  
Options outstanding, ending balance 50,000 59,750 106,750
Range of exercise price options outstanding 6.80 – 27.71    
Weighted average exercise price, ending balance $ 23.01 $ 22.60 $ 22.32
Aggregate intrinsic value, ending balance $ 11,800 $ 10,700 $ 176,360