Earnings (Loss) Per Common Share - Additional Information (Detail)	12 Months Ended		3 Months Ended	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011 Series B Voting Convertible Preferred Stock [Member]	May 31, 2012 Convertible Common Stock [Member]	Aug. 31, 2012 Restricted Stock [Member]	Aug. 31, 2011 Restricted Stock [Member]	Aug. 31, 2013 Stock Options [Member]	Aug. 31, 2012 Stock Options [Member]	Aug. 31, 2011 Stock Options [Member]
Earnings Per Share [Line Items]
Shares included in weighted average common shares and equivalents computation of basic earnings per share		100,000
Shares converted from Series B Preferred Stock into company's common stock	1,000,000		1,000,000
Antidilutive weighted-average restricted stock awards/options excluded from the calculation of diluted earnings (loss) per share				57,443	98,158	896,354	1,648,704	1,325,945