Condensed Consolidated Statements of Equity - USD ($) $ in Thousands		Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interests
Balance at the beginning at Mar. 31, 2021		$ 14,714	$ 756	$ (2,617)	$ 0	$ 16,270	$ (684)	$ 989
Balance at the beginning (in shares) at Mar. 31, 2021			3,023,000
Balance at the beginning (in shares) at Mar. 31, 2021				141,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	[1]	442				289		153
Foreign currency translation gain (loss)		(49)					(49)
Adjustment to fair value of redeemable non-controlling interest		(238)				(238)
Unrealized gain on interest rate swaps, net of tax		11					11
Reclassification of interest rate swaps into earnings		(1)					(1)
Balance at the end at Jun. 30, 2021		14,879	$ 756	$ (2,617)	0	16,321	(723)	1,142
Balance at the end (in shares) at Jun. 30, 2021			3,023,000
Balance at the end (in shares) at Jun. 30, 2021				141,000
Balance at the beginning at Mar. 31, 2021		14,714	$ 756	$ (2,617)	0	16,270	(684)	989
Balance at the beginning (in shares) at Mar. 31, 2021			3,023,000
Balance at the beginning (in shares) at Mar. 31, 2021				141,000
Increase (Decrease) in Stockholders' Equity
Foreign currency translation gain (loss)		54
Unrealized gain on interest rate swaps, net of tax		57
Balance at the end at Sep. 30, 2021		22,988	$ 756	$ (2,617)	236	24,059	(576)	1,130
Balance at the end (in shares) at Sep. 30, 2021			3,023,000
Balance at the end (in shares) at Sep. 30, 2021				141,000
Balance at the beginning at Jun. 30, 2021		14,879	$ 756	$ (2,617)	0	16,321	(723)	1,142
Balance at the beginning (in shares) at Jun. 30, 2021			3,023,000
Balance at the beginning (in shares) at Jun. 30, 2021				141,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	[1]	7,543				7,555		(12)
Stock compensation expense		236			236
Foreign currency translation gain (loss)		103					103
Adjustment to fair value of redeemable non-controlling interest		183				183
Unrealized gain on interest rate swaps, net of tax		46					46
Reclassification of interest rate swaps into earnings		(2)					(2)
Balance at the end at Sep. 30, 2021		22,988	$ 756	$ (2,617)	236	24,059	(576)	1,130
Balance at the end (in shares) at Sep. 30, 2021			3,023,000
Balance at the end (in shares) at Sep. 30, 2021				141,000
Balance at the beginning at Mar. 31, 2022		$ 25,717	$ 756	$ (3,002)	393	26,729	(263)	1,104
Balance at the beginning (in shares) at Mar. 31, 2022		2,866,418	3,023,000
Balance at the beginning (in shares) at Mar. 31, 2022		156,327		156,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	[1]	$ (1,439)				(1,433)		(6)
Stock compensation expense		79			79
Foreign currency translation gain (loss)		(529)					(529)
Adjustment to fair value of redeemable non-controlling interest		926				926
Unrealized gain on interest rate swaps, net of tax		475					475
Reclassification of interest rate swaps into earnings		17					17
Balance at the end at Jun. 30, 2022		25,246	$ 756	$ (3,002)	472	26,222	(300)	1,098
Balance at the end (in shares) at Jun. 30, 2022			3,023,000
Balance at the end (in shares) at Jun. 30, 2022				156,000
Balance at the beginning at Mar. 31, 2022		$ 25,717	$ 756	$ (3,002)	393	26,729	(263)	1,104
Balance at the beginning (in shares) at Mar. 31, 2022		2,866,418	3,023,000
Balance at the beginning (in shares) at Mar. 31, 2022		156,327		156,000
Increase (Decrease) in Stockholders' Equity
Foreign currency translation gain (loss)		$ (1,135)
Unrealized gain on interest rate swaps, net of tax		1,432
Balance at the end at Sep. 30, 2022		$ 23,939	$ 757	$ (3,353)	571	24,802	68	1,094
Balance at the end (in shares) at Sep. 30, 2022		2,850,748	3,026,000
Balance at the end (in shares) at Sep. 30, 2022		175,747		175,000
Balance at the beginning at Jun. 30, 2022		$ 25,246	$ 756	$ (3,002)	472	26,222	(300)	1,098
Balance at the beginning (in shares) at Jun. 30, 2022			3,023,000
Balance at the beginning (in shares) at Jun. 30, 2022				156,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)		(1,236)				(1,232)		(4)
Repurchase of common stock		$ (351)
Repurchase of common stock (in shares)		19,000
Exercise of stock options		$ 21	$ 1		20
Exercises of stock options (in shares)		3,000
Stock compensation expense		$ 79			79
Foreign currency translation gain (loss)		(606)					(606)
Adjustment to fair value of redeemable non-controlling interest		(188)				(188)
Unrealized gain on interest rate swaps, net of tax		957					957
Reclassification of interest rate swaps into earnings		17					17
Balance at the end at Sep. 30, 2022		$ 23,939	$ 757	$ (3,353)	$ 571	$ 24,802	$ 68	$ 1,094
Balance at the end (in shares) at Sep. 30, 2022		2,850,748	3,026,000
Balance at the end (in shares) at Sep. 30, 2022		175,747		175,000

[1] Excludes amount attributable to redeemable non-controlling interests in Contrail Aviation Support, LLC ("Contrail") and Shanwick B.V. ("Shanwick")