INCOME TAXES - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Expected Federal income tax expense U.S. statutory rate	$ 551	$ 1,253
State income taxes, net of federal benefit	(519)	201
Nontaxable cancellation of debt income	(1,331)	0
Micro-captive insurance benefit	(172)	(197)
Change in valuation allowance	(7,789)	1,405
Income attributable to minority interest - Contrail	(325)	(434)
Write-off Delphax tax attributes	9,353	0
Acquired NOL carrybacks; CARES Act	363	0
Other differences, net	51	(467)
Income tax (benefit) expense	$ (544)	$ 1,761
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Expected Federal income tax expense U.S. statutory rate	21.00%	21.00%
State income taxes, net of federal benefit	(19.80%)	3.40%
Nontaxable cancellation of debt income	(50.70%)	0.00%
Micro-captive insurance benefit	(6.60%)	(3.30%)
Change in valuation allowance	(296.80%)	23.50%
Income attributable to minority interest - Contrail	(12.40%)	(7.30%)
Write-off Delphax tax attributes	356.40%	0.00%
Acquired NOL carrybacks; CARES Act	(13.80%)	0.00%
Other differences, net	1.90%	(7.80%)
Income tax (benefit) expense	(20.70%)	29.50%