CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Increase (Decrease) in Stockholders' Equity
Balance at the beginning		$ 25,717	$ 14,714
Balance at the beginning (in shares)		2,866,418
Balance at the beginning (in shares)		156,327
Net Income		$ (12,321)	11,043
Repurchase of common stock		(1,081)	$ (385)
Exercise of stock options		$ 21
Exercise of stock options (in shares)		3,750	0
Stock compensation expense		$ 315	$ 393
Foreign currency translation loss		4	(549)
Adjustment to fair value of redeemable non-controlling interest		(1,748)	531
Unrealized gain of interest rate swaps, net of tax		998	929
Reversal of Put option issued to co-investor in CAM (Note 24)		1,000	(1,000)
Reclassification of interest rate swaps into earnings		77	41
Balance at the end		$ 12,982	$ 25,717
Balance at the end (in shares)		2,818,374	2,866,418
Balance at the end (in shares)		208,121	156,327
Common Stock
Increase (Decrease) in Stockholders' Equity
Balance at the beginning		$ 756	$ 756
Balance at the beginning (in shares)		3,023,000	3,023,000
Exercise of stock options		$ 1
Exercise of stock options (in shares)		4,000
Balance at the end		$ 757	$ 756
Balance at the end (in shares)		3,027,000	3,023,000
Treasury Stock
Increase (Decrease) in Stockholders' Equity
Balance at the beginning		$ (3,002)	$ (2,617)
Balance at the beginning (in shares)		156,000	141,000
Repurchase of common stock		$ (1,081)	$ (385)
Repurchase of common stock (in shares)		52,000	15,000
Balance at the end		$ (4,083)	$ (3,002)
Balance at the end (in shares)		208,000	156,000
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity
Balance at the beginning		$ 393	$ 0
Exercise of stock options		20
Stock compensation expense		315	393
Balance at the end		728	393
Retained Earnings
Increase (Decrease) in Stockholders' Equity
Balance at the beginning		26,729	16,270
Net Income		(12,295)	10,928	[1]
Adjustment to fair value of redeemable non-controlling interest		(1,748)	531
Reversal of Put option issued to co-investor in CAM (Note 24)		1,000	(1,000)
Balance at the end		13,686	26,729
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity
Balance at the beginning		(263)	(684)
Foreign currency translation loss		4	(549)
Unrealized gain of interest rate swaps, net of tax		998	929
Reclassification of interest rate swaps into earnings		77	41
Balance at the end		816	(263)
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity
Balance at the beginning	[1]	1,104	989
Net Income	[1]	(26)	115
Balance at the end	[1]	$ 1,078	$ 1,104

[1] Excludes amount attributable to redeemable non-controlling interest in Contrail and Shanwick.