Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details)

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Significant Accounting Policies (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]      
Impairment indicators $ 0 $ 0  
Contract liabilities 2,490,000 2,891,000  
Revenues $ 763,000 2,032,000 $ 3,820,000
Percentage of deposits on monthly salary 8.33%    
Severance pay expense $ 46,000 42,000 $ 42,000
Maximum percentage of realization on ultimate settlement 50.00%    
Liability for unrecognized tax benefits $ 0 $ 0  
Total number of shares subject to outstanding unlisted options (in Shares) 11,923,400 2,673,400 1,437,400