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Share-Based Compensation - Schedule of Restricted Share Activity (Detail) - Restricted Stock [Member]
 3 Months Ended
Dec. 31, 2024
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Unvested, Beginning Balance | shares 975,415
Number of Shares, Granted | shares 35,000
Number of Shares, Vested | shares 0
Number of Shares, Forfeited | shares (3,000)
Number of Shares, Unvested, Ending Balance | shares 1,007,415
Weighted-Average Grant Date Fair Value, Unvested, Beginning Balance | $ / shares $ 1.83
Weighted-Average Grant Date Fair Value, Granted | $ / shares 1.03
Weighted-Average Grant Date Fair Value, Vested | $ / shares 0
Weighted-Average Grant Date Fair Value, Forfeited | $ / shares 3.72
Weighted-Average Grant Date Fair Value, Unvested, Ending Balance | $ / shares $ 1.79