Significant Accounting Policies (Details 4) - shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Number of shares:
Common shares used in computing basic loss per share	10,519,682	5,649,262
Common shares used in computing diluted loss per share	10,519,682	5,649,262
Preferred Stock, options and warrants excluded from the calculations of diluted loss per share	16,931,097	10,498,954