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Goodwill and Intangible Assets, Intangible Assets Subject to Amortization (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022
Intangible assets subject to amortization [Abstract] |  |
Weighted Average Amortization Period | 9 years |
Gross Carrying Value | $ 11,948,000 | $ 12,392,000
Accumulated Amortization | 9,805,000 | 8,593,000
Fully amortized intangible assets, retired | $ 0 | 136,000
Trademarks [Member] |  |
Intangible assets subject to amortization [Abstract] |  |
Weighted Average Amortization Period | 9 years |
Gross Carrying Value | $ 705,000 | 705,000
Accumulated Amortization | $ 577,000 | 513,000
Customer Relationships [Member] |  |
Intangible assets subject to amortization [Abstract] |  |
Weighted Average Amortization Period | 11 years |
Gross Carrying Value | $ 8,576,000 | 8,799,000
Accumulated Amortization | $ 6,947,000 | 6,188,000
Developed Technology [Member] |  |
Intangible assets subject to amortization [Abstract] |  |
Weighted Average Amortization Period | 5 years |
Gross Carrying Value | $ 2,667,000 | 2,888,000
Accumulated Amortization | $ 2,281,000 | $ 1,892,000

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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