Business Segment Information (Tables)

3 Months Ended

Jul. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables summarize, for the periods indicated, operating results by business segment (in thousands):

	Personalized		Translational
	Oncology		Oncology		Unallocated
	Solutions		Solutions		Corporate
Three Months Ended July 31, 2014	(POS)		(TOS)		Overhead		Consolidated
Net revenue	$	341	$	1,571	$	-	$	1,912
Direct cost of services		(753)		(963)		-		(1,716)
Sales and marketing costs		(451)		(428)		-		(879)
Other operating expenses		-		(1,318)		(920)		(2,238)
Stock- based compensation expense (1)		-		-		(808)		(808)
Segment profit (loss)	$	(863)	$	(1,138)	$	(1,728)	$	(3,729)

	Personalized		Translational
	Oncology		Oncology		Unallocated
	Solutions		Solutions		Corporate
Three Months Ended July 31, 2013	(POS)		(TOS)		Overhead		Consolidated
Net revenue	$	622	$	2,398	$	-	$	3,020
Direct cost of services		(744)		(870)		-		(1,614)
Sales and marketing costs		(333)		(246)		-		(579)
Other operating expenses		-		(389)		(652)		(1,041)
Stock- based compensation expense (1)		-		-		(552)		(552)
Segment profit (loss)	$	(455)	$	893	$	(1,204)	$	(766)

(1) Stock compensation expense is shown separately and is excluded from direct costs of services, sales and marketing costs, and other operating expenses, as it is managed on a consolidated basis and is not used by management to evaluate the performance of its segments.