XML 52 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 7 - Stockholders' Equity (Deficit) - Fair Value Assumption (Details)
12 Months Ended
Dec. 31, 2016
$ / shares
Exercise price (in dollars per share)
Expected dividend yield
Expected life in years (Year)
Minimum [Member]  
Exercise price (in dollars per share) $ 0.26
Risk free interest rate 1.01%
Expected volatility 85.00%
Maximum [Member]  
Exercise price (in dollars per share) $ 1.25
Risk free interest rate 2.43%
Expected volatility 213.00%