Note 9 - Loan and Credit Agreements (Detail) - Summary Of Term Debt (USD $)	Nov. 30, 2012	May 10, 2012	Nov. 30, 2011	Nov. 30, 2012 West Bank Loan 1 [Member]	Nov. 30, 2011 West Bank Loan 1 [Member]	Nov. 30, 2012 West Bank Loan 2 [Member]	Apr. 26, 2012 West Bank Loan 2 [Member]	Nov. 30, 2011 West Bank Loan 2 [Member]	Nov. 30, 2012 West Bank Loan 3 [Member]	Nov. 30, 2011 West Bank Loan 3 [Member]	Nov. 30, 2012 West Bank Loan 4 [Member]	Nov. 30, 2012 US Bank Loan 1 [Member]	Nov. 30, 2012 IFA Loan [Member]	Nov. 30, 2011 IFA Loan [Member]	Nov. 30, 2012 IDED Loan 1 [Member]	Nov. 30, 2011 IDED Loan 1 [Member]	Nov. 30, 2012 IDED Loan 2 [Member]	Nov. 30, 2011 IDED Loan 2 [Member]	Nov. 30, 2012 IDED Loan 3 [Member]	Nov. 30, 2011 IDED Loan 3 [Member]	Nov. 30, 2012 WUCDC Loan [Member]	Nov. 30, 2011 WUCDC Loan [Member]
Term debt	$ 8,466,134	$ 824,000	$ 6,456,121	$ 2,435,359	$ 2,804,403	$ 1,027,330	$ 1,027,000	$ 1,102,321	$ 1,167,725	$ 1,253,507	$ 1,875,120	$ 823,555	$ 1,027,000	$ 1,143,140	$ 41,866	$ 70,024	$ 14,649	$ 25,229	$ 48,830	$ 48,830	$ 4,000	$ 8,667
Less current portion of term debt	1,165,177		712,962
Term debt, excluding current portion	$ 7,300,957		$ 5,743,159