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Share-based Payment Arrangement, Option, Exercise Price Range (Details)
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Numbers outstanding | shares 387,550
Weighted- Average Remaining Contractual Life (Years) 2 years 21 days
Weighted average exercise price $ 0.99
Number exercisable | shares 387,550
Weighted average exercise price $ 0.99
Range One [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Range of exercise prices, lower 0.98
Range of exercise prices, upper $ 1.00
Numbers outstanding | shares 383,500
Weighted- Average Remaining Contractual Life (Years) 2 years 25 days
Weighted average exercise price $ 0.98
Number exercisable | shares 383,500
Weighted average exercise price $ 0.98
Range Two [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Range of exercise prices, upper $ 1.70
Numbers outstanding | shares 4,050
Weighted- Average Remaining Contractual Life (Years) 9 months 7 days
Weighted average exercise price $ 1.70
Number exercisable | shares 4,050
Weighted average exercise price $ 1.70