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Stock-Based Compensation (Detail) - Non-vested Stock Option Activity (Non-Vested Stock Options [Member], USD $)
6 Months Ended
Jun. 30, 2014
Non-Vested Stock Options [Member]
 
Non-Vested Stock Options Outstanding (in shares)  
Beginning balance 10,000
Granted 94,500
Vested (94,500)
Forfeited 0
Ending balance 10,000
Weighted Average Grant Date Fair Value (in dollars per share)  
Beginning balance $ 6.10
Granted $ 5.20
Vested $ 5.20
Forfeited $ 0.00
Ending balance $ 6.10