Note 10 - Equity - (Details Textual) - USD ($)				3 Months Ended		12 Months Ended
	Apr. 03, 2023	Feb. 28, 2023	Oct. 01, 2021	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Jan. 03, 2023	Nov. 23, 2022	Nov. 22, 2022	Sep. 15, 2021	Jun. 04, 2021
Class of Stock [Line Items]
Common stock, shares issued				32,412,278		32,256,974
Preferred stock, shares authorized				1,000,000		1,000,000
Preferred stock, par value				$ 0.01		$ 0.01
Preferred stock, shares outstanding				500		500
The 2021 Lamont Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase of common stock											200,000
Warrants to purchase of common stock, Exercise price											$ 2.50
Contractual life of warrants				4 years 3 months 18 days
The 2022 Lamont Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase of common stock								500,000
Warrants to purchase of common stock, Exercise price								$ 0.01
Contractual life of warrants								5 years
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	32,904						166,125
Executives Member
Class of Stock [Line Items]
Common stock, shares issued	254,839
Percentage of bonus for cash payment	50.00%
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				4,126
Compensation expense related to these share-based payments				$ 100,000	$ 100,000
Unrecognized costs from stock-based awards				$ 100,000
Unrecognized compensation cost recognition period				1 year 2 months 12 days
Value of award				$ 300,000
Restricted Stock Units, Forfeited				6,695
Restricted Stock Awards [Member] | Employees [Member]
Class of Stock [Line Items]
Granted to executives	419,618
Restricted Stock Units [Member]
Class of Stock [Line Items]
Unrecognized costs from stock-based awards				$ 2,700,000
Unrecognized compensation cost recognition period				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				712,025
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
Operating Partnership [Member]
Class of Stock [Line Items]
Operating partnership percentage				85.40%		85.30%
Operating Partnership [Member] | Midtown Row [Member]
Class of Stock [Line Items]
Common OP units issued								1
Preferred Op Units [Member]
Class of Stock [Line Items]
Preferred OP unit issuance amount per unit								$ 2.00
Noncontrolling interest, description				The initial Preferred OP Unit Return is 12% per annum, comprised of a 5% Current Preferred OP Unit Return and a 7% Capitalized Preferred OP Unit Return. The Capitalized Preferred OP Unit Return increases each year by 1%. After November 23, 2027, the Preferred OP Unit Return will be 19% per annum, all payable in cash, and will increase an additional 3% each year thereafter.
Fortress [Member]
Class of Stock [Line Items]
Warrants to purchase of common stock									2,560,000
Warrants to purchase of common stock, Exercise price									$ 0.01
Contractual life of warrants									10 years