Note 4 - Supplementary Cash Flows Information (Tables)

6 Months Ended

Oct. 31, 2021

Notes Tables

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

	Six Months Ended October 31,
($ in thousands)	2021		2020
Cash and cash equivalents	$	24,958	$	8,689
Restricted cash		469		469
Total cash, cash equivalents, and restricted cash shown in the Consolidated Condensed Statement of Cash Flows	$	25,427	$	9,158

	Six Months Ended October 31,
($ in thousands)	2021		2020
State and local income tax payments	$	206	$	853
Federal income tax payments to the Parent		2,300		3,660