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FINANCING ARRANGEMENTS - Narrative (Details) ft² in Thousands						12 Months Ended
	Feb. 21, 2025 USD ($)	Oct. 16, 2024 USD ($) investor shares	Sep. 12, 2024 USD ($)	Aug. 29, 2024 USD ($) a ft² loan	May 30, 2024 USD ($)	Mar. 31, 2025 USD ($)	Aug. 26, 2024	Mar. 31, 2024 USD ($)	Feb. 26, 2024 USD ($)	May 05, 2021
Debt Instrument
Area of land \| a				4.626
Area of real estate property \| ft²				13
Long-term debt gross						$ 110,704,000		$ 113,459,000
Weighted average interest rate (as a percentage)						7.68%		8.88%
Line of Credit \| Revolving Credit Facility
Debt Instrument
Basis spread on variable rate (as a percentage)						2.00%
Line of credit maximum borrowing capacity						$ 14,000,000
Interest rate, effective percentage (as a percentage)						5.00%
Line of Credit \| Secured Debt
Debt Instrument
Line of credit maximum borrowing capacity						$ 3,000,000
Unsecured Debt
Debt Instrument
Guarantor obligations						1,600,000
Notes payable \| AAM 24-1 Debt
Debt Instrument
Long-term debt gross						$ 30,000,000		$ 15,000,000
New Credit Agreement \| Revolving Credit Facility
Debt Instrument
Minimum debt service coverage ratio						1.25
Maximum debt service leverage ratio						3.00
New Credit Agreement \| Line of Credit \| Revolving Credit Facility
Debt Instrument
Basis spread on variable rate (as a percentage)				2.00%
Line of credit maximum borrowing capacity				$ 14,000,000
Interest rate stated percentage (as a percentage)				5.00%
New Credit Agreement, Letter of Credit \| Line of Credit \| Revolving Credit Facility
Debt Instrument
Line of credit maximum borrowing capacity				$ 3,000,000
Term Note A - Alerus \| Unsecured Debt \| Revolving Credit Facility
Debt Instrument
Debt instrument, term				7 years
Basis spread on variable rate (as a percentage)				2.00%
Interest rate stated percentage (as a percentage)				5.00%
Number of secured term loans (in loans) \| loan				2
Minimum net worth required for compliance				$ 10,700,000
Payments due at maturity				$ 3,200,000
Term Note B - Alerus \| Unsecured Debt \| Revolving Credit Facility
Debt Instrument
Debt instrument, term				25 years
Basis spread on variable rate (as a percentage)				2.00%
Interest rate stated percentage (as a percentage)				5.00%
Minimum net worth required for compliance				$ 2,300,000
Payments due at maturity				$ 1,800,000
First Loan Year \| Secured Debt
Debt Instrument
Prepayment premium (as a percent)				3.00%
Second and Third Loan Years \| Secured Debt
Debt Instrument
Interest rate, effective percentage (as a percentage)				2.00%
Fourth and Fifth Loan Years \| Secured Debt
Debt Instrument
Interest rate, effective percentage (as a percentage)				1.00%
Term Note J \| Secured, subordinated promissory note
Debt Instrument
Basis spread on variable rate (as a percentage)			3.86%
Minimum net worth required for compliance			$ 10,000,000
Debt instrument default amount			$ 15,000,000			$ 15,000,000
Quarterly cash flow coverage ratio			1.25
Repayments of debt			$ 4,600,000
Promissory Notes - Institutional Investors \| Notes payable \| AAM 24-1 Debt
Debt Instrument
Interest rate stated percentage (as a percentage)						8.50%			8.50%
Minimum net worth required for compliance									$ 15,000,000
Number of investors \| investor		2
Long-term debt gross						$ 30,000,000		$ 15,000,000
Second Note Purchase Agreement \| AAM 24-1 Debt
Debt Instrument
Shares issued (in shares) \| shares		160,000
Second Note Purchase Agreement \| Senior Notes \| AAM 24-1 Debt
Debt Instrument
Interest rate stated percentage (as a percentage)		8.50%
Minimum net worth required for compliance		$ 30,000,000
Bank Of American Term Loan \| Line of Credit \| Secured Debt
Debt Instrument
Quarterly cash flow coverage ratio	1.25
Long-term debt gross	$ 2,300,000
Periodic payment, principal	$ 9,500
Bank Of American Term Loan \| Line of Credit \| Secured Debt \| Maximum
Debt Instrument
Basis spread on variable rate (as a percentage)	1.75%
Bank Of American Term Loan \| Line of Credit \| Secured Debt \| Minimum
Debt Instrument
Basis spread on variable rate (as a percentage)	0.11%
Contrail Credit Agreement \| Revolving Credit Facility
Debt Instrument
Minimum debt service coverage ratio						1.25
Maximum debt service leverage ratio						1.25
Air T Acquisition 22.1 \| Revolving Credit Facility
Debt Instrument
Minimum debt service coverage ratio						1.10
Maximum debt service leverage ratio						1.50
CAM
Debt Instrument
Ownership interest in subsidiary					21.00%		95.00%			90.00%
OCAS, Inc, \| CAM
Debt Instrument
Ownership interest sold (as a percentage)					16.00%
Purchase price of redeemed interest					$ 4,600,000
Debt instrument, term					3 years
Bond yield period					10 years
OCAS, Inc, \| CAM \| OCAS Loan \| Secured, subordinated promissory note
Debt Instrument
Interest payment period					12 months
Bond yield period					10 years
Basis spread on variable rate (as a percentage)					3.75%