Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity and Capital Stock - warrants activity (Details)

v3.8.0.1
Shareholders' Equity and Capital Stock - warrants activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Shareholders' Equity and Capital Stock [Abstract]    
Outstanding Beginning Balance, Warrants 8,224,112 8,374,112
Cancelled, Warrants (2,379,545) (150,000)
Outstanding Ending Balance, Warrants 5,844,567 8,224,112
Outstanding Beginning Balance, Weighted-average exercise price $ 1.71 $ 1.20
Cancelled, Weighted-average exercise price 1.34 0.89
Outstanding Ending Balance, Weighted-average exercise price $ 1.02 $ 1.71