Note 4 - Supplementary Cash Flows Information (Tables)

9 Months Ended

Jan. 31, 2024

Notes Tables

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Nine Months Ended January 31,
($ in thousands)	2024		2023
Cash and cash equivalents	$	5,780	$	11,861
Restricted cash		305		305
Total cash, cash equivalents, and restricted cash shown in the Consolidated Condensed Statement of Cash Flows	$	6,085	$	12,166

	Nine Months Ended January 31,
($ in thousands)	2024		2023
State and local income tax payments	$	656	$	732
Federal income tax payments	$	4,000	$	3,327