DISCONTINUED OPERATIONS (Details) - USD ($) $ in Thousands	Oct. 31, 2015	Apr. 30, 2015
Carrying amounts of major classes of assets included as part of discontinued operations:
Cash and cash equivalents		$ 1,241
Receivables, net		431
Intangible and other assets, net		17
Total assets classified as discontinued operations in the accompanying balance sheets	$ 0	1,689
Carrying amounts of major classes of liabilities included as part of discontinued operations:
Accounts payable and accrued expenses		150
Deferred and income taxes payable		145
Total liabilities classified as discontinued operations in the accompanying balance sheets	$ 0	$ 295