XML 63 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
8. Outstanding Warrants (Details) - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Outstanding Warrants Details    
Dividend yield 0.00% 0.00%
Risk-free interest rate 1.32% 0.81%
Expected volatility 68.50% 71.80%
Expected life (years) 2 years 2 years
Market value per share on grant date $ 1.43 $ 2.56
Exercise price per share .01 .01
Fair value per share on grant date $ 1.42 $ 2.55