Financial Instruments and Fair Value Disclosures (Investments) (Details) - USD ($)	3 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Financial Instruments and Fair Value Disclosures
Unrealized gain/(loss) on investment securities	$ 768,335	$ (1,359,671)
Less: Realized gain on investment securities	776,770	305
Net gain/(loss) on investment securities	$ 1,545,105	$ (1,359,366)

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