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Note 1 - Organization and Nature of Business (Details Textual) $ in Millions			6 Months Ended
	Dec. 27, 2019 Merger	May 28, 2019 Merger Entity	Jun. 30, 2021 USD ($) property Merger shares	Jun. 04, 2021 Merger	May 26, 2021 Merger	May 21, 2021 Merger	Jul. 02, 2020 Merger	Dec. 31, 2019 Merger
Real Estate Properties [Line Items]
Real estate investments \| $			$ 225.5
Number of real estate properties \| property			14
Number of entities that own properties acquired \| Entity		17
Mortgages with principal balances outstanding \| $			$ 3.5
Minimum [Member]
Real Estate Properties [Line Items]
Short-term mortgages maurity period			3 years
Maximum [Member]
Real Estate Properties [Line Items]
Short-term mortgages maurity period			5 years
MedAmerica [Member]
Real Estate Properties [Line Items]
Number of merger agreements		19
Date of merger	Dec. 27, 2019
Number of merger completed	11
Number of merger not yet completed			3
MedAmerica [Member] \| Common Stock [Member]
Real Estate Properties [Line Items]
Equity interest issued as consideration for the mergers \| shares			4,069,621
MedAmerica [Member] \| OP units [Member]
Real Estate Properties [Line Items]
Equity interest issued as consideration for the mergers \| shares			573,529
MedAmerica [Member] \| Mergers [Member]
Real Estate Properties [Line Items]
Cash portion of consideration for initial mergers \| $			$ 1.9
MedAmerica [Member] \| Mergers [Member] \| Common Stock [Member]
Real Estate Properties [Line Items]
Equity interest issued as consideration for the mergers \| shares			25,992,073
MedAmerica [Member] \| Mergers [Member] \| OP units [Member]
Real Estate Properties [Line Items]
Equity interest issued as consideration for the mergers \| shares			2,827,904
MedAmerica [Member] \| Brookhill Azalea Shopping Center [Member]
Real Estate Properties [Line Items]
Number of additional merger								1
MedAmerica [Member] \| Lamar Station Plaza East [Member]
Real Estate Properties [Line Items]
Number of merger closed							1
MedAmerica [Member] \| Highlandtown Village Shopping Center [Member]
Real Estate Properties [Line Items]
Number of additional merger closed						1
MedAmerica [Member] \| Cromwell Field Shopping Center [Member]
Real Estate Properties [Line Items]
Number of additional merger closed					1
MedAmerica [Member] \| Spotswood Valley Square Shopping Center [Member]
Real Estate Properties [Line Items]
Number of additional merger closed				1
MedAmerica [Member] \| Broad Street Entities [Member]
Real Estate Properties [Line Items]
Number of merger completed	9
Operating Partnership [Member]
Real Estate Properties [Line Items]
Operating partnership percentage			91.10%