Note 11 - Equity (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Mar. 31, 2024	Dec. 31, 2023	May 20, 2022	May 31, 2019
Common Stock, Shares Authorized (in shares)	400,000,000		400,000,000			400,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001		$ 0.001			$ 0.001
Preferred Stock, Shares Authorized (in shares)	50,000,000		50,000,000			50,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001		$ 0.001			$ 0.001
Issuance and Sale of Securities, Maximum							$ 500,000,000
Proceeds from Issuance of Common Stock			$ 7,620,000	$ 0
Payments of Stock Issuance Costs			$ 81,000	$ (0)
Conversion Ratio for Class Common Stock to OP Unit (in dollars per share)	$ 1		$ 1		$ 1
Conversion of OP Units to Common Stock [Member]
Conversion of Stock, Shares Converted (in shares)	0	548	43,747	1,423
OP Units [Member]
Units of Partnership Interest, Amount (in shares)	51,174,240		51,174,240			50,182,938
General Partners' Capital Account, Units Outstanding (in shares)	50,525,040		50,525,040			49,489,991
Operating Partnership [Member]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest			98.70%
Weighted-Average Share Ownership	98.70%	98.60%	98.70%	98.60%
The 2019 Equity Distribution Agreements [Member]
Equity Distribution Agreements, Authorized Amount								$ 100,000,000
The 2022 Equity Distribution Agreement [Member]
Stock Issued During Period, Shares, New Issues (in shares)	579,964	0	579,964	0
Proceeds from Issuance of Common Stock	$ 7,600,000		$ 7,600,000
Payments of Stock Issuance Costs	$ 116,000		$ 116,000