Balance Sheet Information - Royalty-Related Assets (Details) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2025 |
Mar. 31, 2025 |
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| Royalty-related assets | ||
| Royalty-related assets | $ 2,124,000 | $ 2,226,000 |
| Amortization period of prepaid royalty | 15 years | |
| Impairment | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amortization of Prepaid Royalty, Duration No definition available.
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| X | ||||||||||
- Definition Impairment of Advance Royalty No definition available.
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| X | ||||||||||
- Definition The amount paid to music publishers, record producers, songwriters, or other artists in advance of their earning royalties from record or music sales. Such an amount is based on contractual terms and is generally nonrefundable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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