Supplementary Financial Information - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Intangible Assets
Gross Carrying Amount	$ 25,505	$ 22,807
Accumulated Amortization	(15,902)	(12,617)
Net Book Value	9,602	10,190
Technology
Intangible Assets
Gross Carrying Amount	5,009	4,986
Accumulated Amortization	(4,369)	(3,444)
Net Book Value	640	1,542
Customer contracts / relationships
Intangible Assets
Gross Carrying Amount	9,550	9,550
Accumulated Amortization	(5,783)	(4,371)
Net Book Value	3,766	5,179
Trade names and non-compete agreements
Intangible Assets
Gross Carrying Amount	782	782
Accumulated Amortization	(770)	(770)
Net Book Value	12	12
Capitalized software development costs
Intangible Assets
Gross Carrying Amount	10,164	7,489
Accumulated Amortization	(4,980)	(4,032)
Net Book Value	$ 5,184	$ 3,457