XML 51 R37.htm IDEA: XBRL DOCUMENT v3.22.4
Schedule of Cash and Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Jan. 31, 2023
Apr. 30, 2022
Accounting Policies [Abstract]    
Cash and cash equivalents $ 10,920 $ 7,885
Restricted cash- short term 65 258
Restricted cash- long term 154 219
Cash, cash equivalents, restricted cash and restricted cash equivalents $ 11,139 $ 8,362