Note L - Commitments and Contingencies (Tables)

12 Months Ended

Apr. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Years Ending April 30,	Amount (In thousands)
2016	$	5,392
2017		5,254
2018		5,105
2019		4,854
2020		4,218
Thereafter		14,755
	$	39,578