Note 1 - Organization and Nature of Business (Details Textual) $ in Thousands								6 Months Ended	12 Months Ended
	Dec. 21, 2023 USD ($)	Oct. 31, 2023 USD ($)	Sep. 29, 2023 USD ($)	Jul. 31, 2023 USD ($)	Jul. 20, 2023 USD ($)	Dec. 27, 2019 Merger	May 28, 2019 Merger Entity	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) Property MortgageLoan shares	Dec. 31, 2022 USD ($) MortgageLoan	Oct. 06, 2021 Merger	Jun. 04, 2021 Merger	May 26, 2021 Merger	May 21, 2021 Merger	Jul. 02, 2020 Merger	Dec. 31, 2019 USD ($) Merger
Real Estate Properties [Line Items]
Real estate investments									$ 373,935
Number of real estate properties | Property									15
Number of entities that own properties acquired | Entity							17
Long-term debt outstanding									$ 233,772
Number of mortgage loan | MortgageLoan										3
Mortgages with principal balances outstanding									$ 32,900	$ 95,500
Maturity date description									the Basis Term Loan has an outstanding balance of $8.5 million and matures on July 1, 2024.
Balance outstanding									$ 11,300
Maximum [Member]
Real Estate Properties [Line Items]
Short-term mortgages maturity period									5 years
Minimum [Member]
Real Estate Properties [Line Items]
Short-term mortgages maturity period									3 years
Basis Term Loan [Member]
Real Estate Properties [Line Items]
Repayments of secured debt	$ 13,900	$ 12,800	$ 14,300	$ 17,400	$ 17,400				$ 41,000
Long-term debt outstanding									$ 8,500
Maturity date description									The Basis Term Loan initial maturity was January 1, 2023, subject to two one-year extension options, subject to certain conditions.
Balance outstanding									$ 8,500	66,900
Repayments of Secured Debt	$ 13,900	$ 12,800	$ 14,300	$ 17,400	$ 17,400				$ 41,000
Basis Term Loan [Member] | Maximum [Member]
Real Estate Properties [Line Items]
Balance outstanding																$ 66,900
Mortgage Loan [Member]
Real Estate Properties [Line Items]
Mortgages with principal balances outstanding										28,600
Highlandtown Village Shopping Center [Member]
Real Estate Properties [Line Items]
Number of additional merger closed | Merger														1
Cromwell Field Shopping Center [Member]
Real Estate Properties [Line Items]
Number of additional merger closed | Merger													1
Spotswood Valley Square Shopping Center [Member]
Real Estate Properties [Line Items]
Repayments of secured debt								$ 11,800
Number of additional merger closed | Merger												1
Repayments of Secured Debt								$ 11,800
The Shops At Greenwood Village [Member]
Real Estate Properties [Line Items]
Number of additional merger closed | Merger											1
MedAmerica [Member]
Real Estate Properties [Line Items]
Number of merger agreements | Merger							19
Date of merger						Dec. 27, 2019
Number of merger completed | Merger						11
MedAmerica [Member] | Mergers [Member]
Real Estate Properties [Line Items]
Purchase price										$ 1,900
MedAmerica [Member] | Mergers [Member] | Common Stock [Member]
Real Estate Properties [Line Items]
Equity interest issued as consideration for the mergers | shares									28,744,641
MedAmerica [Member] | Mergers [Member] | OP units [Member]
Real Estate Properties [Line Items]
Equity interest issued as consideration for the mergers | shares									3,401,433
MedAmerica [Member] | Brookhill Azalea Shopping Center [Member]
Real Estate Properties [Line Items]
Number of additional merger | Merger																1
MedAmerica [Member] | Lamar Station Plaza East [Member]
Real Estate Properties [Line Items]
Number of merger closed | Merger															1
Broad Street Entities [Member] | MedAmerica [Member]
Real Estate Properties [Line Items]
Number of merger completed | Merger						9
Operating Partnership [Member]
Real Estate Properties [Line Items]
Operating partnership percentage									85.70%	85.30%
Mortgage Loans Due Within Twelve Months [Member] | Mortgage Loan [Member]
Real Estate Properties [Line Items]
Number of mortgage loan | MortgageLoan									3
Number of mortgaged properties | Property									3