Fixed Assets Fixed Assets - Vessels Under Capital Leases (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Vessels under finance lease, net	$ 45,240,198	$ 53,615,305
Vessels
Property, Plant and Equipment [Line Items]
Vessels under finance lease	51,229,372	58,780,630
Accumulated depreciation and amortization	(5,989,174)	(5,165,325)
Vessels under finance lease, net	$ 45,240,198	$ 53,615,305

Amount, after accumulated amortization, of right-of-use asset from finance lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

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