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Earnings (Loss) Per Share - Additional Information (Detail) (USD $)
0 Months Ended 12 Months Ended
Mar. 16, 2010
Jun. 30, 2010
Jun. 30, 2012
Oct. 09, 2009
Sep. 01, 2009
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]          
Antidilutive shares excluded from earnings per share   470,996      
Common stock warrants purchased 1,246,179        
Common stock exercisable price $ 1.75   $ 1.75 $ 1.75 $ 1.75