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Supplemental Disclosure of Cash Flow Information - Summary of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Supplemental Cash Flow Elements [Abstract]
Taxes paid	$ 70	$ 14
Operating lease	2,316	2,217
Non-cash investing activity:
Capitalized change in estimated asset retirement obligations	89	(6)
Network equipment provided in exchange for wireless licenses	616	36
Deferred gain on sale of intangible assets	4,911	0
Derecognition of contingent liability related to sale of intangible assets	19,249	0
Rights of use asset for new leases	645	165
Rights of use asset for modifications and renewals	$ 1,928	$ 0

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Noncash or Part Noncash Acquisition, Deferred Gain on Sale Of Intangible Assets

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Rights Of Use Asset For Modifications And Renewals

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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-Name Accounting Standards Codification
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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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