XML 71 R44.htm IDEA: XBRL DOCUMENT v3.21.2
Income Taxes - Income Tax Expense (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Current tax expense (benefit):    
Federal $ (396) $ (2,289)
State and local 8 49
Foreign 1,136 1,567
Total current tax expense (benefit) 748 (673)
Deferred tax expense (benefit):    
Federal 449 1,233
State and local (135) 438
Foreign (72) 760
Total deferred tax expense 242 2,431
Net income tax expense $ 990 $ 1,758