Note 1 - Significant Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2016

Notes Tables

Allowance for Credit Losses on Financing Receivables [Table Text Block]

	(In thousands)
	Fiscal 2016			Fiscal 2015			Fiscal 2014
Balance at beginning of year	$	330		$	399		$	454
Net charge to expense		232			117			95
Net charge-off		(78	)		(186	)		(150	)
Balance at end of year	$	484		$	330		$	399