Note 7 - Loan and Credit Agreements (Tables)

3 Months Ended

Feb. 28, 2014

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

	February 28, 2014		November 30, 2013
U.S. Bank loan payable in monthly installments of $42,500 including interest at 2.98%, due May 1, 2018	$	2,002,993	$	2,114,675
U.S. Bank loan payable in monthly installments of $11,000 including interest at 2.98%, due May 1, 2018		929,718		955,507
U.S. Bank loan payable in monthly installments of $12,550 including interest at 2.98%, due May 1, 2018		1,055,890		1,085,350
U.S. Bank loan payable in monthly installments of $27,800 including interest at 2.98%, due May 1, 2018		1,623,070		1,693,752
U.S. Bank loan payable in monthly installments of $11,700 including interest at 3.15%, due May 10, 2017		678,218		707,719
Iowa Finance Authority loan payable in monthly installments of $12,500 including interest at 2.75%, due June 1, 2020		873,022		904,662
IDED loan payable in monthly installments of $2,437 including interest at 6%, due June 1, 2014		7,241		14,375
IDED loan payable in monthly installments of $813 including interest at 0%, due June 1, 2014		2,442		4,883
Total term debt	$	7,172,594	$	7,480,923
Less current portion of term debt		1,228,581		1,228,964
Term debt, excluding current portion	$	5,944,013	$	6,251,959