CAPITAL STOCK AND STOCK-BASED AWARDS (Detail) - Schedule of capital stock	May 31, 2012	May 31, 2011
Authorized	70,000,000	70,000,000
Authorized	2,000,000	2,000,000
Reserved for Issuance	7,480,698
Outstanding	29,795,911	29,316,691
Common Class A [Member]
Authorized	4,000,000	4,000,000
Reserved for Issuance	1,499,000
Outstanding	1,656,200	1,656,200