Schedule of Contract Balances (Details) - USD ($)	Dec. 31, 2021	Mar. 31, 2021
Accounting Policies [Abstract]
Receivables, which are included in ‘Accounts Receivable’	$ 155	$ 292
Contract liabilities (deferred revenue)	$ 41	$ 48

Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 910
-SubTopic 10
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=126937589&loc=SL119991595-234733

Name:	us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant