Stock Options - Additional Information (Detail) (USD $)	1 Months Ended		12 Months Ended		1 Months Ended			12 Months Ended
	Aug. 25, 2006	May 01, 2006	Feb. 28, 2013 General and Administrative Expense	Feb. 29, 2012 General and Administrative Expense	Aug. 25, 2006 Stock Options	Sep. 03, 2010 Restricted Stock	Aug. 25, 2006 Restricted Stock	Feb. 28, 2013 Restricted Stock General and Administrative Expense	Feb. 29, 2012 Restricted Stock General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares approved for Purchase		1,200,000			500,000		100,000
Stock option granted ownership percentage					10.00%
Stock option granted price percentage	110.00%
Life of option granted	5 years
Vesting period					7 years	1 year
Options granted exercisable period		10 years
Vesting percentage						25.00%
Recognized general and administrative expenses			$ 9,500	$ 23,500				$ 0	$ 164,979