Note 7 - Real Estate Development (Details Textual)		3 Months Ended			6 Months Ended
Note 7 - Real Estate Development (Details Textual)	Jan. 25, 2022 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 12, 2023 USD ($)	Dec. 31, 2021 USD ($)	Dec. 21, 2021 USD ($)	Sep. 30, 2020 a	Jul. 01, 2020	Jun. 16, 2020 a	Sep. 27, 2018 a
Income (Loss) from Equity Method Investments		$ (1,174,499)	$ (852,247)	$ (622,180)	$ (2,026,746)	$ 1,236,332
Investee Losses in Excess of Equity Investment		3,076,641			3,076,641		$ 1,464,218
Proceeds from Equity Method Investment, Distribution, Return of Capital					12,772	0
TIF Improvement Costs									$ 23,336,500
Estimated Cost of Tax Increment Financing Eligible Improvements, Expected Reduction	$ 5,744,000
Estimated Cost of Tax Increment Financing Eligible Improvements, Maximum Principle	$ 17,592,881
Income Taxes Receivable, Noncurrent		14,720,899			14,720,899		13,972,875
State and Local Jurisdiction [Member]
Income Taxes Receivable, Noncurrent		14,721,000			14,721,000		13,973,000
Income Tax Receivable Principal		11,717,000			11,717,000		11,307,000
Income Tax Receivable Interest		3,004,000			3,004,000		2,666,000
Indemnity Agreement [Member]
Debt Instrument, Maximum Reimbursement and Indemnification Amount		7,000,000			7,000,000			$ 7,000,000		$ 5,000,000
Doran Canterbury I Joint Venture [Member]
Area of Land (Acre) \| a														13
Equity Method Investment, Ownership Percentage														27.40%
Income (Loss) from Equity Method Investments		(848,000)		(596,000)	(1,612,000)	(1,286,000)
Investee Losses in Excess of Equity Investment		3,077,000			3,077,000		$ 1,464,000
Doran Canterbury II [Member]
Area of Land (Acre) \| a											10
Equity Method Investment, Ownership Percentage											27.40%
Income (Loss) from Equity Method Investments		(232,000)			(417,000)
Canterbury DBSV [Member]
Area of Land (Acre) \| a													13
Equity Method Investment, Ownership Percentage												61.87%
Income (Loss) from Equity Method Investments		(94,000)		$ (26,000)	$ (3,000)	$ (52,000)
Proceeds from Equity Method Investment, Distribution, Return of Capital		$ 13,000

Canterbury Park Holding Corp 10-Q