Principal Financing Arrangements - Component of long-term debt and capital lease obligations (Details) (USD $)	9 Months Ended	12 Months Ended
	Aug. 31, 2012	Nov. 30, 2011
Short-term debt	$ 7,378,629	$ 14,412,961
Long-term debt	331,252	314,355
Total Debt	7,709,881	14,727,316
Prinpal Lender
Debt, Face Value	6,368,078	13,177,587
November 30, 2005
Date of Note	Nov. 30, 2005	Nov. 30, 2005
Debt, Face Value	986,271	2,080,349
Interest Rate	5.25%	5.25%
May 31, 2006
Date of Note	May 31, 2009	May 31, 2009
Debt, Face Value	716,041	1,510,673
Interest Rate	5.25%	5.25%
September 28, 2007
Date of Note	Sep. 28, 2007	Sep. 28, 2007
Debt, Face Value	2,378,733	4,960,260
Interest Rate	9.75%	9.75%
May 28, 2008
Date of Note	May 28, 2008	May 28, 2008
Debt, Face Value	1,148,253	2,332,294
Interest Rate	20.00%	20.00%
October 29, 2008
Date of Note	Oct. 29, 2008	Oct. 29, 2008
Debt, Face Value	709,001	1,425,045
Interest Rate	15.00%	15.00%
February 15, 2009
Date of Note	Feb. 15, 2009	Feb. 15, 2009
Debt, Face Value	402,797	812,531
Interest Rate	20.00%	20.00%
October 6, 2009
Date of Note	Oct. 06, 2009	Oct. 06, 2009
Debt, Face Value	3,803	7,835
Interest Rate	5.25%	5.25%
November, 2009
Date of Note	Nov. 01, 2009	Nov. 01, 2009
Debt, Face Value	23,179	48,600
Interest Rate	5.25%	5.25%
Short-term borrowings
Debt, Face Value	1,010,551	1,203,274
Interest Rate	0.00%	0.00%
Interest Rate	24.00%	24.00%
Capital lease obligations
Debt, Face Value		$ 32,100
Interest Rate	12.00%	12.00%
Interest Rate	17.00%	17.00%