Segment Information - Segment Data (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information
Revenue	$ 71,431	$ 50,862
Operating income (loss)	658	834
Capital expenditures	404	371
Depreciation and amortization	690	861
Air Cargo
Segment Reporting Information
Revenue	27,728	20,564
Operating income (loss)	1,935	1,077
Capital expenditures	158	99
Depreciation and amortization	85	20
Air Cargo | Domestic
Segment Reporting Information
Revenue	27,137	20,564
Air Cargo | International
Segment Reporting Information
Revenue	591	0
Ground equipment sales
Segment Reporting Information
Revenue	11,787	5,815
Operating income (loss)	(85)	142
Capital expenditures	33	9
Depreciation and amortization	34	49
Ground equipment sales | Domestic
Segment Reporting Information
Revenue	11,698	3,907
Ground equipment sales | International
Segment Reporting Information
Revenue	89	1,908
Commercial jet engines and parts
Segment Reporting Information
Revenue	29,846	22,855
Operating income (loss)	1,478	3,074
Capital expenditures	120	74
Depreciation and amortization	190	434
Commercial jet engines and parts | Domestic
Segment Reporting Information
Revenue	21,968	16,732
Commercial jet engines and parts | International
Segment Reporting Information
Revenue	7,878	6,123
Corporate and other
Segment Reporting Information
Revenue	2,070	1,628
Operating income (loss)	(2,670)	(3,459)
Capital expenditures	93	189
Depreciation and amortization	381	358
Corporate and other | Domestic
Segment Reporting Information
Revenue	919	749
Corporate and other | International
Segment Reporting Information
Revenue	$ 1,151	$ 879