Leases (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Description of operating lease			The Company leases a space at a location under a non-cancellable operating lease with a remaining lease term of 1 year, which originally expired in fiscal year 2022 and was renewed for an additional year. On December 22, 2020, the Company acquired CPS which included the assumption of an operating lease for a 55,120 square foot light manufacturing facility located in Addison Illinois, expiring June 30, 2024.
Rent expense	$ 0.1		$ 0.2
Operating leases total	$ 0.2	$ 0.2	$ 0.4	$ 0.9
Borrowing rate	8.50%		8.50%

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

Name:	us-gaap_OperatingLeaseCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration