DISCONTINUED OPERATIONS (Details 1) - USD ($) $ in Thousands	Apr. 30, 2015	Apr. 30, 2014
Carrying amounts of major classes of assets included as part of discontinued operations:
Cash and cash equivalents	$ 1,241	$ 5,358
Receivables, net	431	32,541
Deferred income taxes receivable	0	977
Property, plant and equipment, net	0	821
Intangible and other assets, net	17	2,640
Total assets classified as discontinued operations in the accompanying balance sheets	1,689	42,337
Carrying amounts of major classes of liabilities included as part of discontinued operations:
Accounts payable, net and accrued expenses	150	62,196
Deferred and income taxes payable	145	0
Notes payable	0	1,059
Total liabilities classified as discontinued operations in the accompanying balance sheets	$ 295	$ 63,255