DEFINED CONTRIBUTION PLAN - Additional Information (Detail) (Defined Contribution Pension Plan 401k, USD $)	3 Months Ended
May 31, 2013	May 31, 2012
Defined Contribution Pension Plan 401k
Defined Benefit Plan Disclosure [Line Items]
Percentage of matching contribution by employer	100.00%
Eligible employee contribution under plan	4.00%
Contribution expenses	$ 24,916	$ 25,247

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration