Note 10 - Equity - (Details Textual) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		12 Months Ended
	Apr. 18, 2024	Feb. 28, 2023	Oct. 01, 2021	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Apr. 09, 2024	Apr. 05, 2024	Jan. 02, 2024	Sep. 15, 2021
Class of Stock [Line Items]
Common stock, shares issued				33,401,959		33,417,101
Preferred stock, shares authorized				1,000,000		1,000,000
Preferred stock, par value				$ 0.01		$ 0.01
Preferred stock, shares outstanding				500		500
Restricted Stock Units, Forfeited					6,695
Options outstanding				0	10,000
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized				20,000		20,000
Preferred stock, par value				$ 0.01
Preferred stock, shares outstanding				500		500
Preferred stock, dividend rate percentage				10.00%
Preferred stock, per share issuance price				$ 100
Director [Member]
Class of Stock [Line Items]
Common stock, shares issued									11,945
Subsequent Event [Member] | Director [Member]
Class of Stock [Line Items]
Common stock, shares issued								29,452
Minimum [Member]
Class of Stock [Line Items]
Percentage of RSUs granted to executives			0.00%
Maximum [Member]
Class of Stock [Line Items]
Percentage of RSUs granted to executives			300.00%
Maximum [Member] | Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred dividends undeclared				$ 100
Restricted Stock Awards [Member]
Class of Stock [Line Items]
Shares surrendered to satisfy tax obligations				27,087
Compensation expense related to these share-based payments				$ 100	$ 100
Unrecognized costs from stock-based awards				$ 300
Unrecognized compensation cost recognition period				10 months 24 days
Restricted Stock Awards [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Value of award	$ 400
Restricted Stock Awards [Member] | Subsequent Event [Member] | Employees [Member]
Class of Stock [Line Items]
Granted to executives	894,154
Restricted Stock Units [Member]
Class of Stock [Line Items]
Unrecognized costs from stock-based awards				$ 1,700
Unrecognized compensation cost recognition period				1 year 9 months 18 days
Restricted Stock Units, Forfeited		232,558
Restricted Stock Units [Member] | Employees [Member]
Class of Stock [Line Items]
Granted to executives			1,220,930
Restricted Stock Units [Member] | Minimum [Member]
Class of Stock [Line Items]
Percentage of number of units granted at vesting date that entitle recipients to shares of common stock				0.00%
Restricted Stock Units [Member] | Maximum [Member]
Class of Stock [Line Items]
Percentage of number of units granted at vesting date that entitle recipients to shares of common stock				300.00%
2020 Equity Incentive Plan [Member]
Class of Stock [Line Items]
Common stock shares available for issuance										1,500,000
Common stock remaining shares available for future issuance				392,931
2020 Equity Incentive Plan [Member] | Minimum [Member]
Class of Stock [Line Items]
Common stock shares available for issuance										3,620,000
2020 Equity Incentive Plan [Member] | Maximum [Member]
Class of Stock [Line Items]
Common stock shares available for issuance										5,120,000
Amended and Restated 2020 Equity Incentive Plan [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Common stock shares available for issuance							1,400,000
Amended and Restated 2020 Equity Incentive Plan [Member] | Minimum [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Common stock shares available for issuance							5,120,000
Amended and Restated 2020 Equity Incentive Plan [Member] | Maximum [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Common stock shares available for issuance							6,520,000
Operating Partnership [Member]
Class of Stock [Line Items]
Operating partnership percentage				85.70%		85.70%