XML 43 R34.htm IDEA: XBRL DOCUMENT v3.23.3
Stockholders' Equity - Summary of Stock Option Activity (Detail)
 6 Months Ended
Sep. 30, 2023
USD ($)
$ / shares
shares
Share-Based Payment Arrangement [Abstract]  
Options Outstanding, Beginning balance | shares 1,451,217
Granted, Options Outstanding | shares 131,257
Cancelled / forfeited, Options Outstanding | shares (575,278)
Expired, Options Outstanding | shares (157,082)
Options Outstanding, Ending balance | shares 850,114
Vested and Exercisable, Options Outstanding | shares 514,797
Weighted-Average Exercise Price, Options Beginning balance | $ / shares $ 6.49
Options granted, Weighted-Average Exercise Price | $ / shares 1.81
Options cancelled / forfeited, Weighted-Average Exercise Price | $ / shares 7.21
Options expired, Weighted-Average Exercise Price | $ / shares 7.73
Weighted-Average Exercise Price, Options Ending balance | $ / shares 5.05
Vested and Exercisable, Weighted-Average Exercise Price | $ / shares $ 6.55
Aggregate Intrinsic Value, Options Beginning balance | $ $ 38,327
Aggregate Intrinsic Value, Options Ending balance | $ 0
Vested and Exercisable, Aggregate Intrinsic Value | $ $ 0