Financial Instruments and Fair Value Disclosures (Investments) (Details) - USD ($)	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Financial Instruments and Fair Value Disclosures
Unrealized gain/(loss) on investment securities	$ (1,587,090)	$ 1,317,890	$ 1,288,304
Less: Realized gain/(loss) on investment securities	447,255	295	1,281,671
Net gain/(loss) on investment securities	$ (1,139,835)	$ 1,317,595	$ 6,633

Amount of unrealized gain (loss) on investment in marketable security.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

Name:	us-gaap_MarketableSecuritiesUnrealizedGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration