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Share-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |  |
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Jul. 31, 2015 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023 | Mar. 31, 2025 | Sep. 27, 2024 | Aug. 08, 2024 | Jul. 31, 2022 | Jul. 31, 2016
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  | $ 0.001 |  |  | $ 0.001 |  |  | $ 0.001 |  |  |  |
Share based compensation |  | $ 200 | $ 600 |  | $ 839 | $ (7,631) |  |  |  |  |  |
2024 Omnibus Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, capital shares reserved for future issuance (in shares) |  |  |  |  |  |  |  |  |  | 850,000 |  |
Common stock, par value (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 0.001 |  |
2024 Inducement Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, capital shares reserved for future issuance (in shares) |  |  |  |  |  |  |  |  | 350,000 |  |  |
Common stock, par value (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.001 |  |  |
2016 Employee Plan and 2015 Director Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation |  |  |  |  | $ 800 | (7,600) |  |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 25,625 |  |  | 25,625 |  |  | 17,893 |  |  |  |
Share-based compensation expense (reversal) |  | $ (24) | $ 200 |  | $ 48 | $ (8,300) |  |  |  |  |  |
Restricted Stock | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restriction period |  | 1 year |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 1 year |  |  |  |  |  |  |
Restricted Stock | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restriction period |  | 10 years |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 3 years |  |  |  |  |  |  |
Restricted Stock | 2015 Director Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, capital shares reserved for future issuance (in shares) | 400,000 | 247,307 |  |  | 247,307 |  |  |  |  |  |  |
Common stock available for issuance, automatic annual increase, percent | 10.00% |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 0 |  |  | 0 |  |  | 9,207 |  |  |  |
Restricted Stock | 2015 Director Plan | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restriction period |  |  |  |  | 1 year |  |  |  |  |  |  |
Restricted Stock | 2015 Director Plan | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restriction period |  |  |  |  | 3 years |  |  |  |  |  |  |
Restricted Stock | 2016 Employee Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, capital shares reserved for future issuance (in shares) |  | 422,438 |  |  | 422,438 |  |  |  |  |  |  | 1,000,000
Non-vested restricted shares issued and outstanding (in shares) |  | 625 |  |  | 625 |  |  | 8,686 |  |  |  |
Restricted Stock | 2022 Employee Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, capital shares reserved for future issuance (in shares) |  | 417,563 |  |  | 417,563 |  |  |  |  |  | 1,000,000 |
Non-vested restricted shares issued and outstanding (in shares) |  | 0 |  |  | 0 |  |  | 0 |  |  |  |
Restricted Stock | 2024 Omnibus Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, capital shares reserved for future issuance (in shares) |  | 190,353 |  |  | 190,353 |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 10,000 |  |  | 10,000 |  |  | 0 |  |  |  |
Restricted Stock | 2024 Inducement Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, capital shares reserved for future issuance (in shares) |  | 136,735 |  |  | 136,735 |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 15,000 |  |  | 15,000 |  |  | 0 |  |  |  |
Restricted Stock | 2016 Employee Plan and 2015 Director Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 25,625 | 29,248 |  | 25,625 | 29,248 |  |  |  |  |  |
RSUs |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 204,799 |  |  | 204,799 |  |  | 1,201,754 |  |  |  |
Share-based compensation expense (reversal) |  | $ 300 | $ 400 |  | $ 800 | $ 700 |  |  |  |  |  |
Total grant-date fair value |  | $ 10 | 1,200 |  | $ 21 | 4,000 |  |  |  |  |  |
RSUs | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 1 year |  |  |  |  |  |  |
RSUs | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 3 years |  |  |  |  |  |  |
RSUs | 2015 Director Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 5,000 |  |  | 5,000 |  |  | 22,316 |  |  |  |
RSUs | 2022 Employee Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 52,321 |  |  | 52,321 |  |  | 568,416 |  |  |  |
RSUs | 2024 Omnibus Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 120,811 |  |  | 120,811 |  |  | 321,022 |  |  |  |
RSUs | 2024 Inducement Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 26,667 |  |  | 26,667 |  |  | 290,000 |  |  |  |
PSUs |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 0 |  |  | 0 |  |  | 146,772 |  |  |  |
Share-based compensation expense (reversal) |  | $ (78) | 0 |  | $ (35) | $ (36) |  |  |  |  |  |
Total grant-date fair value |  | $ 0 | $ 0 | $ 0 |  |  | $ 0 |  |  |  |  |
PSUs | Share-Based Payment Arrangement, Tranche One |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 1 year |  |  |  |  |  |  |
PSUs | Share-Based Payment Arrangement, Tranche Two |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 3 years |  |  |  |  |  |  |
PSUs | 2015 Director Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 0 |  |  | 0 |  |  | 0 |  |  |  |
PSUs | 2022 Employee Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 0 |  |  | 0 |  |  | 0 |  |  |  |
PSUs | 2024 Omnibus Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 0 |  |  | 0 |  |  | 146,772 |  |  |  |
PSUs | 2024 Inducement Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted shares issued and outstanding (in shares) |  | 0 |  |  | 0 |  |  | 0 |  |  |  |

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