Note 6 - Commitments and Contingencies (Details Textual) $ in Millions		3 Months Ended
	Apr. 01, 2020 USD ($)	Mar. 31, 2020 Merger shares
COVID-19 [Member]
Commitments And Contingencies [Line Items]
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
Subsequent Event [Member] | 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
MedAmerica Properties Inc. [Member]
Commitments And Contingencies [Line Items]
Number of pending mergers | Merger		6
MedAmerica Properties Inc. [Member] | Common Stock [Member]
Commitments And Contingencies [Line Items]
Equity interest issued as consideration for the mergers | shares		10,400,779
MedAmerica Properties Inc. [Member] | OP units [Member]
Commitments And Contingencies [Line Items]
Equity interest issued as consideration for the mergers | shares		573,529