XML 83 R68.htm IDEA: XBRL DOCUMENT
v3.25.1

Summary of Significant Accounting Policies - Gain (Loss) on Equity Investments (Details) - USD ($) | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Gain (Loss) on Equity Investments [Abstract] |  |  |
Net gain (loss) recognized on equity securities | $ 105,000 | $ 347,000 | $ (181,000)
Less: net gain (loss) recognized on equity securities sold | 8,000 | 74,000 | (15,000)
Unrealized gain (loss) recognized on equity securities still held | $ 97,000 | $ 273,000 | $ (166,000)

X
- Definition Amount of realized and unrealized gain (loss) on investment in marketable security. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of realized gain (loss) on investment in marketable security. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized gain (loss) on investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_MarketableSecuritiesUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration