v2.4.0.8
Summary of Restricted Share Activity (Detail) (Restricted Stock, USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Restricted Stock
   
Shares    
Beginning Balance 312,501 232,501
Granted 167,500 147,500
Vested (105,504) (58,500)
Forfeited (55,837) (9,000)
Ending Balance 318,660 312,501
Weighted Average Grant-Date Fair Values    
Beginning Balance $ 3.39 $ 4.31
Granted $ 2.96 $ 2.28
Vested $ 3.29 $ 4.15
Forfeited $ 2.96 $ 3.89
Ending Balance $ 3.27 $ 3.39