Accrued Liabilities (Tables)

12 Months Ended

Apr. 30, 2022

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities at April 30, 2022 and 2021, respectively, consisted of the following (in thousands):

	2022		2021
Vacation and other compensation	$	1,523	$	1,564
Incentive compensation		100		550
Payroll taxes		112		167
Warranty reserve		519		439
Commissions		263		329
Deferred compensation payable		469		704
Other		710		1,492
	$	3,696	$	5,245