Financing Agreements (Tables)

9 Months Ended

Jan. 31, 2015

Financing Agreements [Abstract]

Schedule of Debt [Table Text Block]

	Line of Credit			Mortgage note payable to Commerce Bank			First Equipment loan note payable to Commerce Bank			Second Equipment loan note payable to Commerce Bank
Proceeds received	$	—		$	542,000		$	380,000		$	100,000
Amount previously repaid	—			37,000			323,000			17,000
Total debt outstanding	$	—		$	505,000		$	57,000		$	83,000
Rate	4.00		%	4.05		%	4.63		%	4.25		%
Maturity date	September 27, 2015			January 27, 2019			September 26, 2015			May 27, 2018
Monthly payment	$	—		$	4,873		$	7,123		$	2,269
Additional Criteria	Borrowing base limited to 75% of eligible receivables			15 year amortization schedule			Advance rate equal to 80% of the price of the equipment purchased			Advance rate equal to 80% of the price of the equipment purchased