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Stockholders' Equity (Details 1) - 2018 Plan [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Number of options    
Number of options, Beginning balance 352,072 255,000
Number of options, Granted 153,822
Number of options, Forfeited (61,850) (56,750)
Number of options, Ending balance 290,222 352,072
Number of options, Options exercisable 255,459 181,799
Weighted average exercise price    
Weighted average exercise price, Beginning balance $ 2.91 $ 3.68
Weighted average exercise price, Granted 1.55
Weighted average exercise price, Forfeited 2.97 2.69
Weighted average exercise price, Ending balance 2.64 2.91
Weighted average exercise price, Options exercisable $ 2.56 $ 2.75
Weighted average remaining contractual life    
Weighted average remaining contractual life, Options outstanding 5 years 8 months 19 days 5 years 6 months 18 days
Weighted average remaining contractual life, Granted   7 years
Weighted average remaining contractual life, Options outstanding 5 years 10 months 3 days 5 years 8 months 19 days
Weighted average remaining contractual life, Options exercisable 5 years 9 months 25 days 5 years 8 months 19 days