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Significant Accounting Policies (Details 1) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Number of shares:        
Common shares used in computing basic loss per share 10,806,155 5,327,743 10,101,073 4,928,903
Common shares used in computing diluted loss per share 10,806,155 5,327,743 10,101,073 4,928,903
Preferred Stock, options and warrants excluded from the calculations of diluted loss per share 6,986,873 1,019,767 7,295,167 1,019,767