Note 7 - Loan and Credit Agreements - Summary Of Term Debt (Details) (Parentheticals) (USD $)	3 Months Ended	12 Months Ended
	Feb. 28, 2015	Nov. 30, 2014
Iowa Finance Authority [Member]
Installments	$ 12,500	$ 12,500
Interest	2.75%	2.75%
US Bank Loan 1 [Member]
Installments	42,500	42,500
Interest	2.98%	2.98%
US Bank Loan 2 [Member]
Installments	11,000	11,000
Interest	2.98%	2.98%
US Bank Loan 3 [Member]
Installments	12,550	12,550
Interest	2.98%	2.98%
US Bank Loan 4 [Member]
Installments	27,800	27,800
Interest	2.98%	2.98%
US Bank Loan 5 [Member]
Installments	11,700	11,700
Interest	3.15%	3.15%
US Bank Loan 6 [Member]
Installments	$ 5,556	$ 5,556
Interest	2.98%	2.98%