INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS (Details) - USD ($) $ in Thousands		12 Months Ended
		Apr. 30, 2016	Apr. 30, 2015
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	$ 41,664	$ 49,790
Net income (loss)		(10,224)	(3,584)
Provision (benefit) for income taxes		(5,211)	(2,132)
Interest expense (income), net		1,361	1,615
Depreciation and amortization		2,977	3,264
Impairment of assets		10,406	2,580
EBITDA	[2]	(691)	1,743
Capital expenditures		798	1,127
Fulfillment Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	34,757	43,684
Net income (loss)		(7,597)	(1,630)
Provision (benefit) for income taxes		(3,754)	(877)
Interest expense (income), net		875	700
Depreciation and amortization		2,756	2,999
Impairment of assets		7,900	771
EBITDA	[2]	180	1,963
Capital expenditures		795	1,127
Real Estate Operations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	5,955	6,366
Net income (loss)		(4,869)	(3,367)
Provision (benefit) for income taxes		(2,067)	(1,977)
Interest expense (income), net		2,614	2,730
Depreciation and amortization		112	91
Impairment of assets		2,506	1,809
EBITDA	[2]	(1,704)	(714)
Capital expenditures		3	0
Corporate and Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	952	(260)
Net income (loss)		2,242	1,413
Provision (benefit) for income taxes		610	722
Interest expense (income), net		(2,128)	(1,815)
Depreciation and amortization		109	174
Impairment of assets		0	0
EBITDA	[2]	833	494
Capital expenditures		$ 0	$ 0

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

[2] The Company uses EBITDA (which the Company defines as income before net interest expense, income taxes, depreciation and amortization, and non-cash impairment charges from continuing operations) in addition to net income (loss) from continuing operations as a key measure of profit or loss for segment performance and evaluation purposes.