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

Research and Development Expenses, Net (Details)

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Research and Development Expenses, Net (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Research and Development Expense, Gross $ 720,527 $ 483,953 $ 374,023
Less: Grants from the OCS and others [1] 0 (166,046)
Research and Development Expense 720,527 317,907 374,023
Salaries and related expenses [Member]      
Research and Development Expense, Gross 144,250 136,578 166,849
Stock-based compensation [Member]      
Research and Development Expense, Gross 22,883 48,056
Professional fees [Member]      
Research and Development Expense, Gross 31,690 56,377 53,750
Laboratory and materials [Member]      
Research and Development Expense, Gross 184,073 124,748 50,858
Patent expenses [Member]      
Research and Development Expense, Gross 62,888 24,956 51,846
Liability for minimum royalties expenses [Member]      
Research and Development Expense, Gross [2] 238,000 50,000 35,000
Depreciation [Member]      
Research and Development Expense, Gross 24,083 20,526 11,369
Travel expenses [Member]      
Research and Development Expense, Gross 6,512 19,419
Insurance and other expenses [Member]      
Research and Development Expense, Gross $ 6,148 $ 3,293 $ 4,351
[1] See Note 9A and 9D.
[2] See Note 9B.