v3.5.0.1
Stock Options (Details) - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Number of Options    
Beginning balance ,shares 1,307,500 1,180,000
Granted 550,000 387,500
Exercised 0 0
Expired (242,500) (260,000)
Ending balance, shares 1,615,000 1,307,500
Weighted average exercise price    
Beginning balance $ 1.31 $ 0.97
Granted 1.25 1.73
Exercised 0 0
Expired (1.68) (0.39)
Ending balance $ 1.09 $ 1.31