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Stockholders' Equity - Summary of Stock Option Activity (Detail)
6 Months Ended
Sep. 30, 2022
USD ($)
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Options Outstanding, Beginning balance | shares 1,203,671
Granted, Options Outstanding | shares 199,921
Cancelled / forfeited, Options Outstanding | shares 0
Exercised, Options Outstanding | shares 0
Options Outstanding, Ending balance | shares 1,403,592
Vested and Exercisable, Options Outstanding | shares 339,232
Weighted-Average Exercise Price, Options Beginning balance | $ / shares $ 7.36
Options granted, Weighted-Average Exercise Price | $ / shares 2.56
Options cancelled / forfeited, Weighted-Average Exercise Price | $ / shares 0
Options exercised, Weighted-Average Exercise Price | $ / shares 0
Weighted-Average Exercise Price, Options Ending balance | $ / shares 6.68
Vested and Exercisable, Weighted-Average Exercise Price | $ / shares $ 7.57
Aggregate Intrinsic Value, Options Beginning balance | $ $ 71,650
Options Exercised, Aggregate Intrinsic Value | $ 0
Aggregate Intrinsic Value, Options Ending balance | $ 1,503
Vested and Exercisable, Aggregate Intrinsic Value | $ $ 0