Accrued Liabilities (Tables)

12 Months Ended

Apr. 30, 2023

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities at April 30, 2023 and 2022, respectively, consisted of the following (in thousands):

	2023		2022
Vacation and other compensation	$	1,408	$	1,523
Incentive compensation		175		100
Payroll taxes		341		112
Warranty reserve		529		519
Commissions		197		263
Deferred compensation payable		762		469
Other		522		710
	$	3,934	$	3,696