Note 7 - Loan and Credit Agreements (Tables)

9 Months Ended

Aug. 31, 2014

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

	August 31, 2014		November 30, 2013
U.S. Bank loan payable in monthly installments of $42,500 including interest at 2.98%, due May 1, 2018	$	1,776,571	$	2,114,675
U.S. Bank loan payable in monthly installments of $11,000 including interest at 2.98%, due May 1, 2018		877,316		955,507
U.S. Bank loan payable in monthly installments of $12,550 including interest at 2.98%, due May 1, 2018		996,030		1,085,350
U.S. Bank loan payable in monthly installments of $27,800 including interest at 2.98%, due May 1, 2018		1,479,680		1,693,752
U.S. Bank loan payable in monthly installments of $11,700 including interest at 3.15%, due May 10, 2017		618,322		707,719
U.S. Bank loan payable in monthly installments of $5,556 including interest at 2.98%, due May 25, 2017		990,092		0
Iowa Finance Authority loan payable in monthly installments of $12,500 including interest at 2.75%, due June 1, 2020		809,718		904,662
IDED loan payable in monthly installments of $2,437 including interest at 6%, due June 1, 2014		0		14,375
IDED loan payable in monthly installments of $813 including interest at 0%, due June 1, 2014		0		4,883
Total term debt	$	7,547,729	$	7,480,923
Less current portion of term debt		1,274,192		1,228,964
Term debt, excluding current portion	$	6,273,537	$	6,251,959