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Consolidated Statements of Operations (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Income Statement [Abstract]    
Revenues $ 1,301 $ 1,272
Cost of revenues 854 609
Gross margin 447 663
Operating expenses 4,920 8,103
Gain from change in fair value of consideration (62)
Operating loss (4,473) (7,378)
Interest income, net 3 339
Other income 17
Loss before income taxes (4,453) (7,039)
Income tax benefit
Net loss $ (4,453) $ (7,039)
Basic net loss per share $ (0.05) $ (0.12)
Diluted net loss per share $ (0.05) $ (0.12)
Weighted average shares used to compute basic net loss per common share 81,951,002 58,723,076
Weighted average shares used to compute diluted net loss per common share 81,951,002 58,723,076