Segment Information - Segment Data (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information
Revenue	$ 61,396	$ 45,433	$ 172,946	$ 125,640
Operating income (loss)	135	25	1,147	724
Capital expenditures	245	363	1,037	1,205
Depreciation and amortization	1,097	442	2,984	1,146
Air Cargo
Segment Reporting Information
Revenue	21,831	18,248	64,464	55,946
Operating income (loss)	1,009	475	2,931	2,063
Capital expenditures	37	15	228	82
Depreciation and amortization	22	14	64	41
Air Cargo | Domestic
Segment Reporting Information
Revenue	21,831	18,248	64,464	55,694
Air Cargo | International
Segment Reporting Information
Revenue	0	0	0	252
Ground equipment sales
Segment Reporting Information
Revenue	16,147	15,232	39,981	32,603
Operating income (loss)	1,093	1,463	3,122	2,929
Capital expenditures	16	97	32	114
Depreciation and amortization	35	81	130	145
Ground equipment sales | Domestic
Segment Reporting Information
Revenue	16,009	12,835	34,830	26,991
Ground equipment sales | International
Segment Reporting Information
Revenue	138	2,397	5,151	5,612
Commercial jet engines and parts
Segment Reporting Information
Revenue	21,736	11,392	63,577	35,902
Operating income (loss)	733	336	3,603	2,000
Capital expenditures	132	239	484	977
Depreciation and amortization	721	234	1,717	714
Commercial jet engines and parts | Domestic
Segment Reporting Information
Revenue	13,704	8,426	42,047	25,656
Commercial jet engines and parts | International
Segment Reporting Information
Revenue	8,032	2,966	21,530	10,246
Corporate and other
Segment Reporting Information
Revenue	1,682	561	4,924	1,189
Operating income (loss)	(2,700)	(2,249)	(8,509)	(6,268)
Capital expenditures	60	12	293	32
Depreciation and amortization	319	113	1,073	246
Corporate and other | Domestic
Segment Reporting Information
Revenue	565	456	2,092	920
Corporate and other | International
Segment Reporting Information
Revenue	$ 1,117	$ 105	$ 2,832	$ 269