Long-Term Debt (Details Narrative) - USD ($)	1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 31, 2023	Mar. 31, 2021	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2019	Mar. 31, 2023	Dec. 31, 2022	Mar. 19, 2021	Feb. 06, 2019
Line of Credit Facility [Line Items]
Outstanding letters of credit			$ 432,000		$ 432,000
Principal sum			178,631,000		178,631,000				$ 178,557,000
Debt cost amortization			37,000	$ 37,000	74,000	$ 74,000
Capitalized interest costs			283,000	$ 672,000	$ 689,000	$ 1,346,000
Dock 79 Loan [Member]
Line of Credit Facility [Line Items]
Principal sum										$ 92,070,000
Fixed interest rate										3.03%
Debt description		Either loan may be prepaid subsequent to April 1, 2024, subject to yield maintenance premiums. Either loan may be transferred to a qualified buyer as part of a one-time sale subject to a 60% loan to value, minimum of 7.5% debt yield and a 0.75% transfer fee
Maren [Member]
Line of Credit Facility [Line Items]
Principal sum										$ 88,000,000
Fixed interest rate										3.03%
Debt description		Either loan may be prepaid subsequent to April 1, 2024, subject to yield maintenance premiums. Either loan may be transferred to a qualified buyer as part of a one-time sale subject to a 60% loan to value, minimum of 7.5% debt yield and a 0.75% transfer fee
Subsequent Event [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Description of Variable Rate Basis	.25% to 1.0%
Wells Fargo Level I [Member]
Line of Credit Facility [Line Items]
Interest rate spread					1.50%
Commitment fee					0.25%
Wells Fargo Level I I [Member]
Line of Credit Facility [Line Items]
Interest rate spread					1.25%
Commitment fee					0.20%
Wells Fargo Level I I I [Member]
Line of Credit Facility [Line Items]
Interest rate spread					1.00%
Commitment fee					0.15%
Wells Fargo [Member]
Line of Credit Facility [Line Items]
Revolver term							5 years
Maximum facility amount											$ 20,000,000
Outstanding revolver			0		$ 0
Outstanding letters of credit								$ 432,000
Available for borrowing			$ 19,568,000		$ 19,568,000
Letter of credit fee					1.00%
Applicable interest rate			6.193%		6.193%
Dividend limit			$ 249,000,000		$ 249,000,000
Covenant compliance					all