Property and Equipment

12 Months Ended

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

Property and equipment consists of the following at March 31, 2023 and 2022 (in thousands):


	Estimated useful life	2023		2022
Network sites and equipment	5-10 years	$	12,292	$	14,588
Computer software	1-7 years	847		639
Computer equipment	5-7 years	279		204
Furniture and fixture and other equipment	2-5 years	450		415
Leasehold improvements	Shorter of the lease term or 10 years	819		242
		14,687		16,088
Less accumulated depreciation		11,628		13,379
		3,059		2,709
Construction in process		547		240
Property and equipment, net		$	3,606	$	2,949

Depreciation expense for the years ended March 31, 2023, 2022 and 2021 amounted to approximately $1.4 million, $1.5 million and $3.5 million, respectively.

During the year ended March 31, 2021, the Company recorded $85,000 of non-cash impairment charges for network sites and equipment to reduce the carrying values to zero. There were no impairment charges during the years ended March 31, 2023 and March 31, 2022.