Note 7 - Commitments and Contingencies (Details Textual) $ in Millions		6 Months Ended
	Apr. 01, 2020 USD ($)	Jun. 30, 2021 Merger shares
COVID-19 [Member]
Commitments and Contingencies [Line Items]
Deferred contractual revenue | $	$ 0.4
Deferred contractual revenue waived | $	$ 0.3
Weighted average payback period of deferred rent	7 months
Weighted average payback period description		To date, the weighted average payback period of deferred rent is approximately seven months which commences at various times beginning in July 2020 through June 2021.
MedAmerica Properties Inc. [Member]
Commitments and Contingencies [Line Items]
Number of pending mergers | Merger		3
MedAmerica Properties Inc. [Member] | Common Stock [Member]
Commitments and Contingencies [Line Items]
Equity interest issued as consideration for the mergers | shares		4,069,621
MedAmerica Properties Inc. [Member] | OP Units [Member]
Commitments and Contingencies [Line Items]
Equity interest issued as consideration for the mergers | shares		573,529