Quarterly report pursuant to Section 13 or 15(d)

Warrants - Summary of Warrant Activity (Detail)

v3.2.0.727
Warrants - Summary of Warrant Activity (Detail) - $ / shares
 6 Months Ended 12 Months Ended
Mar. 23, 2015
Jun. 30, 2015
Dec. 31, 2014
Equity [Abstract]      
Warrants, Beginning balance   2,532,094 2,747,094
Warrants, Granted   0 0
Warrants, Exercised     (210,000)
Warrants, Expired (2,170,925) (2,170,925) (5,000)
Warrants, Ending balance   361,169 2,532,094
Weighted Average Price, Beginning balance   $ 1.93 $ 1.91
Weighted Average Price, Granted   0 0
Weighted Average Price, Exercised     1.50
Weighted Average Price, Expired $ (2.00) (2.00) (10.00)
Weighted Average Price, Ending balance   $ 1.50 $ 1.93