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Shareholders' Equity (Details 2) - Stock Option [Member]
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding 246,874
Weighted average remaining contractual life (years) 3 years 7 days
Options exercisable 79,372
Weighted average Remaining Contractual life of options exercisable (years) 1 year 11 months 4 days
Exercise Price 2.96 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Exercise Price | $ / shares $ 2.96
Options outstanding 13,373
Weighted average remaining contractual life (years) 9 months 22 days
Options exercisable 13,373
Weighted average Remaining Contractual life of options exercisable (years) 9 months 22 days
Exercise Price 2.388 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Exercise Price | $ / shares $ 2.388
Options outstanding 83,500
Weighted average remaining contractual life (years) 3 years 2 months 8 days
Options exercisable 33,499
Weighted average Remaining Contractual life of options exercisable (years) 2 years 8 months 2 days
Exercise Price 2.287 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Exercise Price | $ / shares $ 2.287
Options outstanding 7,500
Weighted average remaining contractual life (years) 4 years 29 days
Options exercisable
Weighted average Remaining Contractual life of options exercisable (years) 0 years
Exercise Price 2.131 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Exercise Price | $ / shares $ 2.131
Options outstanding 45,002
Weighted average remaining contractual life (years) 2 years 11 months 4 days
Options exercisable 22,501
Weighted average Remaining Contractual life of options exercisable (years) 2 years 11 months 4 days
Exercise Price 2.126 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Exercise Price | $ / shares $ 2.126
Options outstanding 9,999
Weighted average remaining contractual life (years) 1 year 10 months 10 days
Options exercisable 9,999
Weighted average Remaining Contractual life of options exercisable (years) 1 year 10 months 10 days
Exercise Price 2.118 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Exercise Price | $ / shares $ 2.118
Options outstanding 87,500
Weighted average remaining contractual life (years) 4 years 9 months 29 days
Options exercisable
Weighted average Remaining Contractual life of options exercisable (years) 0 years