Note 9 - Fortress Preferred Equity Investment - Additional Information (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	Nov. 22, 2022 USD ($)	Dec. 31, 2023 USD ($) ft² $ / shares shares	Dec. 31, 2022 USD ($) $ / shares
Conversion of Stock [Line Items]
Capitalized preferred return		$ (10,301)	$ (1,047)
Combined balance of cash held in bank accounts		$ 9,779	$ 12,356
Common stock, shares par value | $ / shares		$ 0.01	$ 0.01
Derivative fair value adjustment		$ (692)	$ 2,638
Fortress [Member]
Conversion of Stock [Line Items]
Preferred investor investment commitment amount	$ 80,000
Annual return percentage on initial capital contribution	12.00%
Annual return percentage on capital contribution		17.75%
Cumulative annual return percentage, paid current	5.00%
Annual return percentage on capital contribution, current		5.00%
Initial capital contribution annual return percetage deferred	7.00%
Capital Contribution Annual Return Percentage Deferred		12.75%
Initial increase in interest rate percentage of capitalized preferred return	4.75%
Initial increase in interest rate percentage of capitalized preferred return each year	1.00%
Capitalized preferred return		$ 11,300	1,000
Leases over 5K | ft²		5,000
Combined balance of cash held in bank accounts		$ 3,100
Exit Fee		10,000
Fortress [Member] | Additional Paid-In Capital [Member]
Conversion of Stock [Line Items]
Capitalized preferred return		10,300	1,100
Fortress [Member] | Preferred Investor [Member]
Conversion of Stock [Line Items]
Current Preferred Return		$ 4,300	400
Fortress [Member] | Preferred Interest After 22 November 2027 [Member]
Conversion of Stock [Line Items]
Increase in preferred return each year	3.00%
Fortress [Member] | Michael Jacoby [Member] | Trigger Event [Member]
Conversion of Stock [Line Items]
Common stock and OP units minimum aggregate | shares		3,802,594
Fortress [Member] | November 22, 2027 [Member]
Conversion of Stock [Line Items]
Interest Percentage of Preferred Return	19.00%
Fortress [Member] | No QPO [Member]
Conversion of Stock [Line Items]
Additional interest on the applicable preferred rate after November 22, 2027.	4.00%
Fortress [Member] | Redeemable Portion [Member]
Conversion of Stock [Line Items]
Preferred equity investment		$ 37,500
Fortress [Member] | ConvertibleIn Common Shares [Member]
Conversion of Stock [Line Items]
Common stock, shares par value | $ / shares		$ 2
Fortress [Member] | ConvertibleIn Common Shares [Member] | Fortress Mezzanine Loan Agreement [Member]
Conversion of Stock [Line Items]
Preferred equity investment		$ 25,000
Fortress Preferred Equity Investment [Member]
Conversion of Stock [Line Items]
Derivative fair value adjustment		500	(800)
Derivative liability		$ 700	$ 1,200