RECEIVABLES (Details Textual) - USD ($) $ in Thousands		3 Months Ended
		Jul. 31, 2016	Jul. 31, 2015	Aug. 31, 2016	Apr. 30, 2016
Revenues, Total	[1]	$ 12,208	$ 9,575
Accounts Receivable, Net		7,404			$ 7,271
Customer Concentration Risk [Member]
Revenues, Total		$ 1,284
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk, Percentage		10.50%
Fulfillment Services [Member]
Revenues, Total	[1]	$ 4,370	$ 168
Fulfillment Services [Member] | Subsequent Event [Member]
Accounts Receivable, Net				$ 416
Fulfillment Services [Member] | Customer Concentration Risk [Member]
Loans Receivable, Net, Total				$ 416

[1] Revenue information provided for each segment includes amounts grouped as Other in the accompanying consolidated statements of operations. Corporate and Other is net of intercompany eliminations.