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

Significant Accounting Policies (Details 1)

v3.7.0.1
Significant Accounting Policies (Details 1)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Dividend yield 0.00% 0.00% [1]
Expected volatility [1]    
Risk-free interest [1]    
Expected life (in years) 2 years 11 months 23 days 4 years 4 months 15 days  
Minimum [Member]      
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Expected volatility 68.00% 64.00%  
Risk-free interest 0.83% 1.12%  
Maximum [Member]      
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Expected volatility 71.00% 69.00%  
Risk-free interest 0.97% 1.63%  
[1] No grants were made in 2014.