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Significant Accounting Policies (Details) - shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Common Stock Options [Member]    
Significant Accounting Policies [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount 485,908 267,321
Warrant [Member]    
Significant Accounting Policies [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount 429,791 858,698