Note A - Organization and Business Operations (Details Textual) $ / shares in Units, a in Millions		6 Months Ended
	Aug. 25, 2021 USD ($) ft² $ / shares shares	Jun. 30, 2022 USD ($) ft² a $ / shares	May 27, 2022 $ / shares	Dec. 31, 2021 USD ($) $ / shares
Number of Parking Facilities		45
Number of Parking Spaces		15,818
Area of Real Estate Property (Square Foot) | ft²		5,500,000
Warrants and Rights Outstanding		$ 3,319,000		$ 3,319,000
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001
Color Up to Purchase Common Stock Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares	1,702,128
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares	$ 11.75
Class of Warrant or Right, Maximum Aggregate Cash Purchase Price Allowed	$ 20,000,000
Warrants and Rights Outstanding	3,300,000
Acquisition of Three Parking Garages [Member]
Asset Acquisition, Consideration Transferred, Total	91,386,000
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	35,000,000
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	98,919,000
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	4,000,000
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt	44,533,000
Business Acquisition,Transaction Expenses	12,200,000
Settlement of Deferred Management Internalization	10,000,000.0
Asset Acquisition, Consideration Transferred, Transaction Cost	$ 4,000,000.0
OP Units [Member] | Acquisition of Three Parking Garages [Member]
Asset Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares	7,495,090
Asset Acquisition, Share Price (in dollars per share) | $ / shares	$ 11.75
Asset Acquisition, Consideration Transferred, Total	$ 84,100,000
MIT Common Shares [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares			$ 0.0001
Multi-level Parking Garage in Cincinnati Ohio 1 [Member]
Number of Parking Spaces	765
Multi-level Parking Garage in Cincinnati Ohio 2 [Member]
Number of Parking Spaces	1,625
Multi-level Parking Garage in Chicago Illinois [Member]
Number of Parking Spaces	1,154
Multi-level Parking Garage [Member]
Area of Real Estate Property (Square Foot) | ft²	1,201,000
Mobile Infra Operating Partnership, L.P [Member] | OP Units [Member]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest		45.80%
OP Units [Member] | Color Up, LLC Loan [Member]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest		44.20%
OP Units [Member] | HSCP Strategic III, LP [Member]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest		10.00%
Bombe Asset Management LLC [Member]
Noncontrolling Interest, Ownership Percentage by Parent			100.00%
Retail Site [Member]
Area of Real Estate Property (Square Foot) | a		0.2