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
Jun. 30, 2015
Number of Shares  
Non-vested restricted stock number of shares beginning balance 642,343
Granted 0
Vested (94,199)
Cancelled (454,164)
Non-vested restricted stock number of shares ending balance 93,980
Weighted Average Grant Date Fair Value ($ per share)  
Non-vested restricted stock weighted average grant date fair value beginning balance $ 3.04
Granted 0.00
Vested 3.85
Cancelled 3.05
Non-vested restricted stock weighted average grant date fair value ending balance $ 3.86