INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Components of Deferred Tax Assets [Abstract]
Net operating loss & attribute carryforwards	$ 3,524	$ 7,516
Federal/Canadian tax credits	0	4,486
Unrealized losses on investments	1,693	833
Investment in foreign subsidiaries	1,369	1,431
Investment in partnerships	840	534
Disallowed capital loss	0	463
Lease liabilities	1,909	0
Other deferred tax assets	1,019	738
Total deferred tax assets	10,354	16,001
Components of Deferred Tax Liabilities [Abstract]
Bargain purchase gain	(385)	(434)
Property and equipment	(485)	(233)
Right-of-use assets	(1,791)	0
Capital gain deferment	(1,700)	0
Other deferred tax liabilities	(167)	(198)
Total deferred tax liabilities	(4,528)	(865)
Net deferred tax asset	5,826	15,136
Less valuation allowance	(6,405)	(14,658)
Net deferred tax (liability) asset	$ (579)
Net deferred tax (liability) asset		$ 478