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INCOME TAX (Tables)
12 Months Ended
Dec. 31, 2017
Income Tax Disclosure [Abstract]  
Reconciliation of Statutory Tax Rate to the Effective Income Tax Rate
The following is a reconciliation between the theoretical tax on pre-tax income, at the tax rate applicable to the Company (federal tax rate) and the tax expense reported in the financial statements:
 
   
US dollars
 
   
Year ended December 31,
 
   
2017
   
2016
   
2015
 
                   
Pretax income (loss)
   
(10,328,806
)
   
(5,409,737
)
   
(5,842,172
)
Federal tax rate
   
34
%
   
34
%
   
34
%
Income tax expenses (benefit) computed at the ordinary tax rate
   
(3,511,794
)
   
(1,839,311
)
   
(1,986, 338
)
Non-deductible expenses
   
41,829
     
34,500
     
31,050
 
Stock-based compensation
   
908,041
     
17,562
     
4,503
 
Warrants with down round protection
   
(102,110
)
   
(98,473
)
   
(50,691
)
Loss on partial extinguishment of Series A Preferred Stock and Series A Warrants
   
-
     
-
     
436,680
 
Tax in respect of differences in corporate tax rates
   
524,134
     
396,956
     
340,263
 
Losses and timing differences in respect of which no deferred taxes assets were recognized
   
2,139,900
     
1,488,766
     
1,224,533
 
     
-
     
-
     
-
 
Schedule of Deferred Taxes
Deferred taxes result principally from temporary differences in the recognition of certain revenue and expense items for financial and income tax reporting purposes.  Significant components of the Group's future tax assets are as follows:
 
   
US dollars
 
   
December 31,
 
   
2017
   
2016
   
2015
 
                   
Composition of deferred tax assets:
                 
Provision for employee-related obligation
   
21,086
     
28,526
     
23,494
 
Non-capital loss carry forwards
   
10,354,385
     
7,823,828
     
6,233,314
 
Valuation allowance
   
(10,375,471
)
   
(7,852,354
)
   
(6,256,808
)
     
-
     
-
     
-