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Note 13 - Subsequent Events (Details Textual)								1 Months Ended	2 Months Ended	3 Months Ended	12 Months Ended
	Mar. 11, 2022 USD ($)	Mar. 01, 2022 $ / shares	Jan. 08, 2022 USD ($)	Jan. 07, 2022 USD ($) $ / shares shares	Jan. 02, 2022 $ / shares shares	Jun. 24, 2021 $ / shares	Jun. 15, 2021	Jan. 31, 2022 $ / shares	Feb. 28, 2022 USD ($) $ / shares	Mar. 31, 2022 $ / shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 $ / shares	Jan. 21, 2027 shares	Jan. 21, 2022 $ / shares shares	Jan. 14, 2022
Restricted Cash, Total											$ 4,700,000
Series D Preferred Stock [Member]
Preferred Stock, Dividend Rate, Percentage							9.375%				9.375%
Preferred Stock, Dividends Per Share, Declared (in dollars per share) | $ / shares						$ 0.10417					$ 1.27603	$ 0
Common Class A [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares											0.01	0.01
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ / shares											$ 0.410	$ 0.100
Series A Warrants [Member] | Forecast [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | shares													0.10
Cash [Member]
Cash and Cash Equivalents, at Carrying Value, Ending Balance											$ 10,000,000
Subsequent Event [Member]
Business Acquisition, Target Period (Year)			1 year
Subsequent Event [Member] | Grand Pacific Center [Member]
Property Held For Sale, Sale Price									$ 7,500,000
Assets Held-for-sale, Not Part of Disposal Group, Total									$ 5,500,000
Subsequent Event [Member] | World Plaza [Member] | CALIFORNIA
Proceeds from Sale of Real Estate, Total	$ 10,000,000
Subsequent Event [Member] | Series D Preferred Stock [Member]
Preferred Stock, Dividend Rate, Percentage										9.375%
Preferred Stock, Dividends Per Share, Declared (in dollars per share) | $ / shares								$ 0.19531	$ 0.19531	$ 0.19531
Subsequent Event [Member] | Common Class A [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ / shares		$ 0.105
Subsequent Event [Member] | Series A Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | shares														1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares														$ 7.00
Warrants and Rights Outstanding, Term (Year)														5 years	5 years
Subsequent Event [Member] | Minimum [Member]
Business Acquisition, Potential Candidates Value			$ 300,000,000
Subsequent Event [Member] | Maximum [Member]
Business Acquisition, Potential Candidates Value			1,200,000,000
Murphy Canyon Acquisition Sponsor, LLC [Member] | Subsequent Event [Member] | Restricted Cash Held in Trust [Member]
Restricted Cash, Total			$ 134,000,000
Murphy Canyon Acquisition Sponsor, LLC [Member] | SPAC, Murphy Canyon Acquisition Corp. [Member] | Subsequent Event [Member] | Cash [Member]
SPAC, Purchase Units, Payments for the Purchase of Equity				$ 7,540,000
SPAC, Initial Public Offering [Member] | Murphy Canyon Acquisition Sponsor, LLC [Member] | Subsequent Event [Member]
SPAC Units, Composition, Number of Redeemable Warrants (in shares) | shares				0.75
Proceeds from Issuance or Sale of Equity, Total				$ 132,250,000
SPAC, Placement Units, Number of Units Purchased (in shares) | shares				828,750
SPAC, Placement Units, Price Per Share (in dollars per share) | $ / shares				$ 10.00
SPAC, Purchase Units, Payments for the Purchase of Equity				$ 8,287,500
SPAC, Initial Public Offering [Member] | Murphy Canyon Acquisition Sponsor, LLC [Member] | Subsequent Event [Member] | Director [Member]
SPAC Placement Units, Number of Units to be Transferred, Total (in shares) | shares				45,000
SPAC Placement Units, Number of Units to be Transferred				15,000
SPAC, Initial Public Offering [Member] | Murphy Canyon Acquisition Sponsor, LLC [Member] | SPAC, Murphy Canyon Acquisition Corp. [Member] | Subsequent Event [Member]
SPAC Units, Composition, Number of Common Stocks (in shares) | shares					1
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares					$ 0.0001
SPAC Units, Composition, Number of Redeemable Warrants (in shares) | shares					1
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | shares					1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares					$ 11.50
Proceeds from Issuance or Sale of Equity, Total				$ 132,250,000
SPAC, Placement Units, Number of Units Purchased (in shares) | shares				754,000
SPAC, Placement Units, Price Per Share (in dollars per share) | $ / shares				$ 10.00
SPAC, Purchase Units, Payments for the Purchase of Equity				$ 7,540,000
SPAC, Initial Public Offering [Member] | Murphy Canyon Acquisition Sponsor, LLC [Member] | SPAC, Murphy Canyon Acquisition Corp. [Member] | Subsequent Event [Member] | Director [Member]
SPAC Placement Units, Number of Units to be Transferred, Total (in shares) | shares				45,000
SPAC Placement Units, Number of Units to be Transferred				15,000

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