Quarterly report pursuant to Section 13 or 15(d)

Capital Stock Transactions - Summary of Non-Vested Restricted Stock Awards and Activities (Detail)

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Capital Stock Transactions - Summary of Non-Vested Restricted Stock Awards and Activities (Detail) - Non Vested Restricted Stock - $ / shares
3 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Number of Shares    
Non-vested restricted stock number of shares beginning balance 93,980 642,343
Granted 15,763 0
Vested (64,528) (94,199)
Cancelled 0 (454,164)
Non-vested restricted stock number of shares ending balance 45,215 93,980
Weighted Average Grant Date Fair Value ($ per share)    
Non-vested restricted stock weighted average grant date fair value beginning balance $ 3.86 $ 3.04
Granted 2.95 0.00
Vested 4.23 3.85
Cancelled 0.00 3.05
Non-vested restricted stock weighted average grant date fair value ending balance $ 3.67 $ 3.86