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Goodwill and Intangible Assets, Intangible Assets Subject to Amortization (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023
Intangible assets subject to amortization [Abstract] |  |
Weighted Average Amortization Period | 9 years |
Gross Carrying Value | $ 9,278,000 | $ 11,948,000
Accumulated Amortization | 8,209,000 | 9,805,000
Fully amortized intangible assets, retired | $ 2,667,000 | 0
Trademarks [Member] |  |
Intangible assets subject to amortization [Abstract] |  |
Weighted Average Amortization Period | 9 years |
Gross Carrying Value | $ 705,000 | 705,000
Accumulated Amortization | $ 641,000 | 577,000
Customer Relationships [Member] |  |
Intangible assets subject to amortization [Abstract] |  |
Weighted Average Amortization Period | 11 years |
Gross Carrying Value | $ 8,573,000 | 8,576,000
Accumulated Amortization | $ 7,568,000 | 6,947,000
Developed Technology [Member] |  |
Intangible assets subject to amortization [Abstract] |  |
Weighted Average Amortization Period | 5 years |
Gross Carrying Value | $ 0 | 2,667,000
Accumulated Amortization | $ 0 | $ 2,281,000

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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