CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN TEMPORARY EQUITY AND STOCKHOLDERS' DEFICIENCY - USD ($) $ in Thousands	Common Stock Voting Common Stock	Common Stock Non-voting common stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Voting Common Stock	Non-voting common stock	Total
Beginning Balance at Mar. 31, 2023	$ 18		$ 955,228	$ (977,202)	$ (2,139)			$ (24,095)
Beginning Balance (in shares) at Mar. 31, 2023	18,511,555				117,014
Increase (Decrease) in Stockholders' Equity
Vested restricted stock awards			11		$ (11)
Vested restricted stock awards (in shares)	39,923				8,771
Stock-based compensation			306					306
Net loss				(5,679)				(5,679)
Ending Balance at Jun. 30, 2023	$ 18		955,545	(982,881)	$ (2,150)			(29,468)
Ending Balance (in shares) at Jun. 30, 2023	18,551,478				125,785
Beginning Balance at Mar. 31, 2023	$ 18		955,228	(977,202)	$ (2,139)			(24,095)
Beginning Balance (in shares) at Mar. 31, 2023	18,511,555				117,014
Increase (Decrease) in Stockholders' Equity
Net loss								(11,566)
Ending Balance at Sep. 30, 2023	$ 18	$ 1	955,630	(988,768)	$ (2,154)			(35,273)
Ending Balance (in shares) at Sep. 30, 2023	18,659,496	508,475			129,515
Beginning Balance at Jun. 30, 2023	$ 18		955,545	(982,881)	$ (2,150)			(29,468)
Beginning Balance (in shares) at Jun. 30, 2023	18,551,478				125,785
Increase (Decrease) in Stockholders' Equity
Vested restricted stock awards			4		$ (4)
Vested restricted stock awards (in shares)	10,743				3,730
Issuance of non-voting common stock		$ 1						1
Issuance of non-voting common stock (in shares)		508,475
Stock awards to Board of Directors (in shares)	97,275
Stock-based compensation			81					81
Net loss				(5,887)				(5,887)
Ending Balance at Sep. 30, 2023	$ 18	$ 1	955,630	(988,768)	$ (2,154)			(35,273)
Ending Balance (in shares) at Sep. 30, 2023	18,659,496	508,475			129,515
Beginning Balance at Mar. 31, 2024	$ 18	$ 1	955,145	(969,810)				(14,646)
Beginning Balance (in shares) at Mar. 31, 2024	18,540,789	508,475				18,540,789	508,475
Increase (Decrease) in Stockholders' Equity
Stock-based compensation			57					57
Net loss				(3,937)				(3,937)
Ending Balance at Jun. 30, 2024	$ 18	$ 1	955,202	(973,747)				(18,526)
Ending Balance (in shares) at Jun. 30, 2024	18,540,789	508,475
Temporary equity , Beginning Balance at Mar. 31, 2024								$ 13,859
Temporary equity , Beginning Balance (in shares) at Mar. 31, 2024								10,449,863
Temporary equity , Ending Balance at Jun. 30, 2024								$ 13,859
Temporary equity , Ending Balance (in shares) at Jun. 30, 2024								10,449,863
Beginning Balance at Mar. 31, 2024	$ 18	$ 1	955,145	(969,810)				$ (14,646)
Beginning Balance (in shares) at Mar. 31, 2024	18,540,789	508,475				18,540,789	508,475
Increase (Decrease) in Stockholders' Equity
Net loss								(4,360)
Ending Balance at Sep. 30, 2024	$ 18	$ 1	955,254	(974,170)				(18,897)
Ending Balance (in shares) at Sep. 30, 2024	18,540,789	508,475				18,540,789	508,475
Temporary equity , Beginning Balance at Mar. 31, 2024								$ 13,859
Temporary equity , Beginning Balance (in shares) at Mar. 31, 2024								10,449,863
Temporary equity , Ending Balance at Sep. 30, 2024								$ 13,859
Temporary equity , Ending Balance (in shares) at Sep. 30, 2024								10,449,863
Beginning Balance at Jun. 30, 2024	$ 18	$ 1	955,202	(973,747)				$ (18,526)
Beginning Balance (in shares) at Jun. 30, 2024	18,540,789	508,475
Increase (Decrease) in Stockholders' Equity
Stock-based compensation			52					52
Net loss				(423)				(423)
Ending Balance at Sep. 30, 2024	$ 18	$ 1	$ 955,254	$ (974,170)				(18,897)
Ending Balance (in shares) at Sep. 30, 2024	18,540,789	508,475				18,540,789	508,475
Temporary equity , Beginning Balance at Jun. 30, 2024								$ 13,859
Temporary equity , Beginning Balance (in shares) at Jun. 30, 2024								10,449,863
Temporary equity , Ending Balance at Sep. 30, 2024								$ 13,859
Temporary equity , Ending Balance (in shares) at Sep. 30, 2024								10,449,863