Note 7 - Loan and Credit Agreements - Summary Of Term Debt (Details) (Parentheticals) - USD ($)	9 Months Ended	12 Months Ended
	Aug. 31, 2015	Nov. 30, 2014
US Bank Loan 1 [Member]
Debt Instrument, Periodic Payment	$ 42,500	$ 42,500
Debt Instrument, Interest Rate, Stated Percentage	2.98%	2.98%
US Bank Loan 2 [Member]
Debt Instrument, Periodic Payment	$ 11,000	$ 11,000
Debt Instrument, Interest Rate, Stated Percentage	2.98%	2.98%
US Bank Loan 3 [Member]
Debt Instrument, Periodic Payment	$ 12,500	$ 12,500
Debt Instrument, Interest Rate, Stated Percentage	2.98%	2.98%
US Bank Loan 4 [Member]
Debt Instrument, Periodic Payment	$ 2.75	$ 2.75
Debt Instrument, Interest Rate, Stated Percentage	12550.00%	12550.00%
US Bank Loan 5 [Member]
Debt Instrument, Periodic Payment	$ 5,556	$ 5,556
Debt Instrument, Interest Rate, Stated Percentage	2.98%	2.98%
US Bank Loan 6 [Member]
Debt Instrument, Periodic Payment	$ 2.98	$ 2.98
Debt Instrument, Interest Rate, Stated Percentage	27800.00%	27800.00%
Iowa Finance Authority [Member]
Debt Instrument, Periodic Payment	$ 11,700	$ 11,700
Debt Instrument, Interest Rate, Stated Percentage	3.15%	3.15%