Note 8 - Commitments and Contingencies (Details Textual)	12 Months Ended
	Dec. 31, 2019 USD ($) Merger shares	Dec. 31, 2018 USD ($)
Commitments and Contingencies [Line Items]
Ground lease rent | $	$ 8,000
Weighted average remaining lease term	4 years 4 months 24 days
Weighted average discount rate	6.30%
Rent expense relating to operating leases, including straight-line rent | $	$ 400,000	$ 400,000
Minimum [Member]
Commitments and Contingencies [Line Items]
Office leases initial terms	3 years
Annual percentage of changes in rent	3.00%
Maximum [Member]
Commitments and Contingencies [Line Items]
Office leases initial terms	7 years
Annual percentage of changes in rent	4.00%
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