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Note 1 - Organization and Nature of Business (Details Textual) $ in Millions			6 Months Ended	9 Months Ended
	Dec. 27, 2019 Merger	May 28, 2019 Merger Entity	Jun. 30, 2021	Sep. 30, 2021 USD ($) Mezzanineloan property Merger MortgageLoan shares	Oct. 06, 2021 Merger	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 \| $				$ 225.7
Number of real estate properties \| property				14
Number of entities that own properties acquired \| Entity		17
Mortgages with principal balances outstanding \| $				$ 17.2
Number of mortgage loan \| MortgageLoan				2
Number of mezzanine loan \| Mezzanineloan				1
Number of mortgage and mezzanine properties \| property				2
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				2
MedAmerica [Member] \| Common Stock [Member]
Real Estate Properties [Line Items]
Equity interest issued as consideration for the mergers \| shares				1,317,055
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				28,744,641
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] \| Greenwood Village [Member] \| Subsequent Event [Member]
Real Estate Properties [Line Items]
Number of 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%