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The following table summarizes information about stock options outstanding as of December 31, 2022: (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Outstanding at beginning 2,379,700 2,440,700
Options Outstanding Weighted Average Remaining Contractual Life 6 years 4 months 17 days  
Options Exercisable Weighted Average Exercise Price $ 2.97  
Options Exercisable Ending 2,068,200  
Options Exercisable Weighted Average Exercise Price Ending $ 1.76  
Minimum [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Options Outstanding Range of Exercise Prices 1.32  
Maximum [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Options Outstanding Range of Exercise Prices $ 11.80