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DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 segment | Mar. 31, 2024 USD ($) customer segment region | Mar. 31, 2023 USD ($) customer | Mar. 31, 2022 USD ($) customer
Concentration Risk |  |  |  |
Capitalized contract cost |  | $ 2.7 | $ 2.0 | $ 1.1
Capitalized Contract Cost, Amortization |  | 0.9 | 0.5 | 0.1
Software implementation costs capitalized |  | 5.0 | 5.6 | 3.1
Software cost |  | 0.1 | 0.1 | 0.1
Advertising expense |  | 2.5 | 3.2 | 3.5
Shipping and handling fees |  | $ 9.7 | 12.1 | 11.5
Number of reportable segments | segment | 1 | 1 |  |
Number of geographic regions | region |  | 3 |  |
Employer contributions |  | $ 1.4 | $ 1.7 | $ 1.7
Software Development |  |  |  |
Concentration Risk |  |  |  |
Estimated useful lives of the assets (years) |  | 10 years |  |
Leasehold Improvements [Member] | Centennial, Colorado |  |  |  |
Concentration Risk |  |  |  |
Estimated useful lives of the assets (years) |  | 13 years 4 months 24 days |  | 15 years 6 months
Minimum |  |  |  |
Concentration Risk |  |  |  |
Product warranty term (years) | 1 year | 1 year |  |
Finite lived assets useful life (years) |  | 2 years |  |
Sales commission, contract term (years) |  | 1 year |  |
Maximum |  |  |  |
Concentration Risk |  |  |  |
Product warranty term (years) | 3 years | 3 years |  |
Finite lived assets useful life (years) |  | 4 years |  |
Sales commission, contract term (years) |  | 7 years |  |
Accounts Receivable | Customer Concentration Risk | Customer One |  |  |  |
Concentration Risk |  |  |  |
Number of customers (customer) | customer |  | 1 | 1 | 1
Concentration risk percentage |  | 23.00% | 22.00% | 21.00%

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