Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common stock [Member]	Treasury stock [Member]	Capital in excess of Stated value [Member]	Retained earnings [Member]	Accumulated other comprehensive income (loss) [Member]
Beginning balance at Mar. 31, 2022	$ 97,344	$ 9,482	$ (2,063)	$ 49,963	$ 40,018	$ (56)
Beginning balance (in shares) at Mar. 31, 2022		31,607	(6,879)
Share-based compensation	9,342			9,342
Restricted shares issued, net			$ 99	(99)
Restricted shares issued, net (in shares)			331
Shares issued upon exercise of SSARs			$ 55	(55)
Shares issued upon exercise of SSARs ( in shares)			181
Shares withheld for taxes upon exercise of SSARs or vesting of restricted shares	(3,002)		$ (17)	(2,985)
Shares withheld for taxes upon exercise of SSARs or vesting of restricted shares (in shares)			(55)
Net Income (Loss)	10,507				10,507
Series A convertible preferred stock dividends	(1,377)				(1,377)
Unrealized translation adjustments	(902)					(902)
Ending balance at Dec. 31, 2022	111,912	$ 9,482	$ (1,926)	56,166	49,148	(958)
Ending balance (in shares) at Dec. 31, 2022		31,607	(6,422)
Beginning balance at Sep. 30, 2022	106,594	$ 9,482	$ (1,965)	54,072	45,715	(710)
Beginning balance (in shares) at Sep. 30, 2022		31,607	(6,550)
Share-based compensation	3,323			3,323
Restricted shares issued, net			$ 26	(26)
Restricted shares issued, net (in shares)			86
Shares issued upon exercise of SSARs			$ 18	(18)
Shares issued upon exercise of SSARs ( in shares)			58
Shares withheld for taxes upon exercise of SSARs or vesting of restricted shares	(1,190)		$ (5)	(1,185)
Shares withheld for taxes upon exercise of SSARs or vesting of restricted shares (in shares)			(16)
Net Income (Loss)	3,892				3,892
Series A convertible preferred stock dividends	(459)				(459)
Unrealized translation adjustments	(248)					(248)
Ending balance at Dec. 31, 2022	111,912	$ 9,482	$ (1,926)	56,166	49,148	(958)
Ending balance (in shares) at Dec. 31, 2022		31,607	(6,422)
Beginning balance at Mar. 31, 2023	109,310	$ 9,482	$ (1,884)	52,978	52,764	(4,030)
Beginning balance (in shares) at Mar. 31, 2023		31,607	(6,280)
Share-based compensation	9,399			9,399
Restricted shares issued, net			$ 53	(53)
Restricted shares issued, net (in shares)			177
Shares issued upon exercise of SSARs			$ 55	(55)
Shares issued upon exercise of SSARs ( in shares)			183
Shares withheld for taxes upon exercise of SSARs or vesting of restricted shares	(5,597)		$ (22)	(5,575)
Shares withheld for taxes upon exercise of SSARs or vesting of restricted shares (in shares)			(72)
Net Income (Loss)	83,234				83,234
Conversion of preferred stock	35,000	$ 521		34,479
Conversion of Series A preferred stock (in shares)		1,735
Series A convertible preferred stock dividends	(1,204)				(1,204)
Unrealized translation adjustments	131					131
Ending balance at Dec. 31, 2023	230,273	$ 10,003	$ (1,798)	91,173	134,794	(3,899)
Ending balance (in shares) at Dec. 31, 2023		33,342	(5,992)
Beginning balance at Sep. 30, 2023	116,618	$ 9,482	$ (1,871)	55,154	57,939	(4,086)
Beginning balance (in shares) at Sep. 30, 2023		31,607	(6,236)
Share-based compensation	3,488			3,488
Restricted shares issued, net			$ 52	(52)
Restricted shares issued, net (in shares)			173
Shares issued upon exercise of SSARs			$ 28	(28)
Shares issued upon exercise of SSARs ( in shares)			93
Shares withheld for taxes upon exercise of SSARs or vesting of restricted shares	(1,875)		$ (7)	(1,868)
Shares withheld for taxes upon exercise of SSARs or vesting of restricted shares (in shares)			(22)
Net Income (Loss)	77,141				77,141
Conversion of preferred stock	35,000	$ 521		34,479
Conversion of Series A preferred stock (in shares)		1,735
Series A convertible preferred stock dividends	(286)				(286)
Unrealized translation adjustments	187					187
Ending balance at Dec. 31, 2023	$ 230,273	$ 10,003	$ (1,798)	$ 91,173	$ 134,794	$ (3,899)
Ending balance (in shares) at Dec. 31, 2023		33,342	(5,992)