Note 2 - Liquidity and Material Agreements (Details Textual)						3 Months Ended				6 Months Ended		11 Months Ended	12 Months Ended
	May 01, 2021 USD ($)	Aug. 14, 2020 USD ($)	Apr. 20, 2018 USD ($)	Jan. 01, 2017	Nov. 01, 2008 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021	Dec. 31, 2015	Apr. 30, 2022 USD ($)	Mar. 15, 2018 USD ($)
Cash and Cash Equivalents, at Carrying Value, Total						$ 3,514,584				$ 3,514,584
Working Capital						4,194,988				4,194,988
Revenue from Contract with Customer, Including Assessed Tax						3,452,759		$ 1,179,064		5,273,498	$ 1,988,160
Net Income (Loss) Attributable to Parent, Total						722,042	$ (31,152)	577,164	$ (265,666)	690,890	311,498
Net Cash Provided by (Used in) Operating Activities, Total										1,598,472	212,275
Net Cash Provided by (Used in) Investing Activities, Total										(501,644)	(78,044)
Net Cash Provided by (Used in) Financing Activities, Total										(29,150)	(244,438)
Environmental Remediation, Agreed Percentage of Reduction in Tenant Operated Tourist Flights														20.00%
Environmental Remediation, Agreed Percentage of Reduction in Tenant Operated Tourist Flights by Year One														40.00%
Environmental Remediation, Agreed Percentage of Reduction in Tenant Operated Tourist Flights by Year Two														50.00%
General and Administrative Expense, Total										836,000	0
Concession Fees										601,000	28,000
Truck Lease [Member]
Lessee, Finance Lease, Term of Contract (Month)			60 months
Lessee, Finance Lease, Base Lease Payment			$ 2,568
Capital Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate			5.50%
Capital Lease, Lessee, Purchase Price of Capital Leased Asset			$ 1.00
Concession Agreement [Member]
Percentage Payable Greater than Gross Receipts During Period					18.00%							18.00%
Amount of Gross Receipts During Period					$ 5,000,000							$ 100,000
Percentage Payable Greater than Gross Receipts in Year One					25.00%
Minimum Annual Guarantee Percent				50.00%
Line of Credit Facility, Payment Term (Month)														30 months
Line of Credit Facility, Number of Options to Extend Agreement														2
Paycheck Protection Program CARES Act [Member]
Proceeds from Issuance of Long-term Debt, Total		$ 304,833
Truck Note [Member]
Debt Instrument, Face Amount	$ 76,000
Debt Instrument, Number of Annual Payments	6
Debt Instrument, Periodic Payment, Interest	$ 13,432.56
Debt Instrument Interest Rate, Per Gallon															$ 0.018
Prime Rate [Member] | Truck Note [Member]
Debt Instrument, Basis Spread on Variable Rate	3.00%
Key Bank National Association [Member] | Term Loan [Member]
Debt Instrument, Face Amount																$ 338,481
Long-Term Debt, Current Maturities, Total						$ 0		$ 0		0	0
Acquisition Line of Credit [Member] | Key Bank National Association [Member]
Line of Credit Facility, Maximum Borrowing Capacity																2,500,000
Working Capital Line of Credit [Member] | Key Bank National Association [Member]
Line of Credit Facility, Maximum Borrowing Capacity																$ 1,000,000
Debt Instrument, Periodic Payment, Total										$ 0	$ 0
Working Capital Line of Credit [Member] | Key Bank National Association [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate													2.75%