Annual report pursuant to Section 13 and 15(d)

Note 6 - Capital Stock, Stock Plans, Warrants, and Stock Based Compensation - Black-Scholes Valuation Model Assumptions (Details)

v3.6.0.2
Note 6 - Capital Stock, Stock Plans, Warrants, and Stock Based Compensation - Black-Scholes Valuation Model Assumptions (Details) - $ / shares
Jul. 28, 2016
May 15, 2016
Sep. 17, 2015
Employee Stock Option [Member]      
Weighted-average fair value per share (in dollars per share)   $ 2  
Risk -free interest rate (1) [1]   1.27%  
Expected volatility of stock (2) [2]   53.12%  
Dividend yield   0.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term [3]   6 years  
Director Stock Options [Member]      
Weighted-average fair value per share (in dollars per share) $ 3   $ 2.84
Risk -free interest rate (1) [1] 1.52%   2.21%
Expected volatility of stock (2) [2] 55.99%   57.98%
Dividend yield 0.00%   0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term [3] 10 years   10 years
[1] The risk-free interest rate is based on the U.S. Treasury yield in effect at the grant date over the expected term of the option.
[2] The expected volatility is based on historical volatility from our traded Common Stock over the expected term of the option.
[3] The expected option life is based on historical exercises and post-vesting data.