XML 49 R39.htm IDEA: XBRL DOCUMENT v3.22.2.2
Schedule of Inventory (Details) - USD ($)
$ in Thousands
Jul. 31, 2022
Apr. 30, 2022
Inventory Disclosure [Abstract]    
Raw Materials $ 343 $ 198
Work in Process 245 244
Inventory, net $ 588 $ 442