Note 10 - Equity - (Details Textual) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 03, 2023	Feb. 28, 2023	Oct. 01, 2021	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Oct. 23, 2023	Oct. 03, 2023	Jul. 03, 2023	Jan. 03, 2023	Nov. 23, 2022	Nov. 22, 2022	Sep. 15, 2021	Jun. 04, 2021
Class of Stock [Line Items]
Common stock, shares issued				33,132,043		33,132,043		32,256,974
Awards outstanding				0	10,000	0	10,000
Common stock, shares authorized				50,000,000		50,000,000		50,000,000
Preferred stock, shares authorized				1,000,000		1,000,000		1,000,000
Preferred stock, par value				$ 0.01		$ 0.01		$ 0.01
Preferred stock, shares outstanding				500		500		500
Subsequent Event [Member]
Class of Stock [Line Items]
Common stock, shares authorized									300,000,000
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		20,000
Preferred stock, par value				$ 0.01		$ 0.01
Preferred stock, shares outstanding				500		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										25,500	166,125
Director [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Common stock, shares issued										9,348
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				$ 0.1		$ 0.1
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				0.1	$ 0.1	$ 0.2	$ 0.2
Unrecognized costs from stock-based awards				0.2		$ 0.2
Unrecognized compensation cost recognition period						1 year 2 months 12 days
Granted to executives						419,618	138,262
Value of award				0.3		$ 0.3
Restricted Stock Units, Forfeited						19,791	12,712
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				$ 2.2		$ 2.2
Unrecognized compensation cost recognition period						2 years 3 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				689,934		689,934
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						85.60%		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
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