Annual report pursuant to Section 13 and 15(d)

Note 9 - Summary of Stock Options - Valuation Assumptions for Stock Options (Details)

v3.6.0.2
Note 9 - Summary of Stock Options - Valuation Assumptions for Stock Options (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Employees [Member]    
Expected term (in years) (Year) 5 years 5 years
Average volatility 49.00% 63.00%
Risk-free interest rate 1.78% 1.70%
Dividend yield 0.00% 0.00%
Nonemployees [Member]    
Expected term (in years) (Year) 10 years  
Average volatility 51.00%  
Risk-free interest rate 2.43%  
Dividend yield 0.00%