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Shareholders' Equity (Details) - Schedule of the status of the 2011 share incentive plan - Common Stock [Member] - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Shareholders' Equity (Details) - Schedule of the status of the 2011 share incentive plan [Line Items]      
Number of options, outstanding at beginning of year (in Shares) 352,000 674,200 813,100
Weighted average exercise price, options exercisable at beginning of year $ 0.23 $ 1.460 $ 1.490
Number of options, granted (in Shres) [1] 64,000 156,000 118,000
Weighted average exercise price, options grnted [1] $ 0.003 $ 0.003 $ 0.003
Number of options, exercised (in Shares) (89,500) (108,200) (131,800)
Weighted average exercise price, options exercised $ 0.003 $ 0.003 $ 0.003
Number of options, forfeited (in Shares) (56,000) (90,000) (74,100)
Weighted average exercise price, options forfeited $ 1.233 $ 0.003 $ 0.500
Number of options, expired (in Shares) (4,000) (280,000) (51,000)
Weighted average exercise price, options expired $ 2.688 $ 2.947 $ 2.950
Number of options, outstanding at end of year (in Shares) 266,500 352,000 674,200
Weighted average exercise price, options exercisable at end of year $ 0.003 $ 0.23 $ 1.460
Number of options, exercisable at end of year (in Shares) 23,000 34,000 350,000
Weighted average exercise price, options exercisable at end of year $ 0.003 $ 1.49 $ 2.630
Weighted average grant date fair value of options granted during the year [2] $ 1.32 $ 1.31 $ 1.46
[1] In the years ended December 31, 2020 and 2019 and 2018, the options were granted with an exercise price equal to par value of NIS 0.01.
[2] The fair value of each stock option granted is computed on the date of grant according to the Black-Scholes option pricing model with the following assumptions