Note 4 - Supplementary Cash Flows Information (Tables)

9 Months Ended

Jan. 31, 2021

Notes Tables

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

	Nine Months Ended January 31,
($ in thousands)	2021		2020
Cash and cash equivalents	$	16,182	$	3,555
Restricted cash		469		469
Total cash, cash equivalents, and restricted cash shown in the Consolidated Condensed Statement of Cash Flows	$	16,651	$	4,024

	Nine Months Ended January 31,
($ in thousands)	2021		2020
State and local income tax payments	$	1,139	$	1,089
Federal income tax payments to the Parent		5,210		3,325