Accounts Payable and Accrued Expenses (Details) (USD $)	Nov. 30, 2012	Nov. 30, 2011
Summary of accounts payable and accrued expenses
Trade payables	$ 813,962	$ 996,151
Payable from sale of subsidiaries	796,499	796,499
Customer deposits	136,912	135,912
Due to investor		100,000
Other, individually less than 5% of current liabilities	549,869	521,610
Total accounts payable and accrued expenses	$ 2,297,242	$ 2,550,172