Note 7 - Pledged Assets, Notes Payable and Long-Term Debt (Tables)

9 Months Ended

Jan. 31, 2013

Schedule of Long-term Debt Instruments [Table Text Block]

	January 31, 2013		April 30, 2012
Industrial Revenue Bonds, Series 2006A, 5-year adjustable interest rate based on the yield on 5-year United States Treasury Notes, plus .45% (1.89% as of January 31, 2013), due in monthly principal and interest payments beginning October 1, 2006 through maturity  on September 1, 2026, secured by real estate.  Effective September 1, 2011, the 5-year adjustable interest rate was reset to 1.89% for the next five years.	$	2,849	$	2,985
Operating line of credit, $6,000,000 limit on borrowing capacity, prime rate (3.25% at October 31, 2012) plus/minus 0.5% performance based interest, due in full on October 30, 2014, secured by accounts receivable and inventory.  The interest rate as of January 31, 2013 was 2.75%		--		750
		2,849		3,735
Less current maturities		184		181
Total long-term debt	$	2,665	$	3,554

Schedule of Maturities of Long-term Debt [Table Text Block]

Year	Amount
2013 (remaining)	$	46
2014		185
2015		188
2016		192
2017		196
Thereafter		2,042
	$	2,849