RECEIVABLES (Details Textual) - USD ($)		3 Months Ended
		Jul. 31, 2017	Jul. 31, 2016	Sep. 11, 2017	Apr. 30, 2017
Revenues, Total	[1]	$ 11,326,000	$ 12,208,000
Accounts Receivable, Net		5,948,000			$ 6,379,000
Customer Concentration Risk [Member]
Revenues, Total		$ 1,081,000
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk, Percentage		10.00%
Fulfillment Services [Member]
Revenues, Total	[1]	$ 8,561,000	$ 7,828,000
Fulfillment Services [Member] | Customer Concentration Risk [Member]
Accounts Receivable, Net		$ 713,000
Fulfillment Services [Member] | Customer Concentration Risk [Member] | Subsequent Event [Member]
Accounts Receivable, Net				$ 360,000

[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.