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Property and Equipment - Narrative (Details) - USD ($)	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Property, Plant and Equipment [Line Items]
Depreciation	$ 1,500,000	$ 3,500,000	$ 3,600,000
Impairment of long-lived assets	0	85,000	46,000
Property and equipment, net	$ 2,949,000	3,574,000
Network sites and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, net		$ 0	$ 0

X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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