RECEIVABLES: (Details Textual) - USD ($)			12 Months Ended
		Feb. 09, 2015	Apr. 30, 2015	Apr. 30, 2014	Feb. 09, 2017	Aug. 05, 2016	May. 11, 2015
Line of Credit Facility, Maximum Borrowing Capacity			$ 2,000,000
Proceeds from Divestiture of Businesses and Interests in Affiliates		$ 2,000,000	1,600,000
Revenues, Total	[1]		49,790,000	$ 62,197,000
Accounts Receivable, Net			11,265,000	10,956,000
Fulfillment Services [Member]
Revenues, Total	[1]		43,684,000	$ 58,479,000
Fulfillment Services [Member] | Customer Concentration Risk [Member]
Revenues, Total			5,537,000
Accounts Receivable, Net			$ 835,000
Concentration Risk, Percentage			11.10%
Buyer Promissory Note [Member]
Proceeds from Divestiture of Businesses and Interests in Affiliates		$ 1,600,000	$ 1,600,000
ARIC Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 1,000,000	$ 1,500,000	$ 2,000,000
Long-term Line of Credit			$ 2,000,000

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