Business Segment Information (Tables)

9 Months Ended

Jan. 31, 2013

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):

				Translational
	Personalized			Oncology			Unallocated
	Oncology			Solutions			Corporate
Three Months Ended January 31, 2013	Solutions (POS)			(TOS)			Overhead			Consolidated
Net revenue	$	473		$	2,444		$	-		$	2,917
Direct cost of services		(661	)		(561	)		-			(1,222	)
Sales and marketing costs		(361	)		(220	)		-			(581	)
Other operating expenses		-			(627	)		(637	)		(1,264	)
Stock- based compensation expense (1)		-			-			(570	)		(570	)
Segment profit (loss)	$	(549	)	$	1,036		$	(1,207	)	$	(720	)

				Translational
	Personalized			Oncology			Unallocated
	Oncology			Solutions			Corporate
Three Months Ended January 31, 2012	Solutions (POS)			(TOS)			Overhead			Consolidated
Net revenue	$	649		$	1,747		$	-		$	2,396
Direct cost of services		(528	)		(801	)		-			(1,329	)
Sales and marketing costs		(242	)		(175	)		-			(417	)
Other operating expenses		-			(851	)		(829	)		(1,680	)
Stock- based compensation expense (1)		-			-			(743	)		(743	)
Segment profit (loss)	$	(121	)	$	(80	)	$	(1,572	)	$	(1,773	)

				Translational
	Personalized			Oncology			Unallocated
	Oncology			Solutions			Corporate
Nine Months Ended January 31, 2013	Solutions (POS)			(TOS)			Overhead			Consolidated
Net revenue	$	1,850		$	4,631		$	-		$	6,481
Direct cost of services		(2,030	)		(1,740	)		-			(3,770	)
Sales and marketing costs		(495	)		(636	)		-			(1,131	)
Other operating expenses		-			(1,463	)		(2,418	)		(3,881	)
Stock- based compensation expense (1)		-			-			(1,934	)		(1,934	)
Segment profit (loss)	$	(675	)	$	792		$	(4,352	)	$	(4,235	)

				Translational
	Personalized			Oncology			Unallocated
	Oncology			Solutions			Corporate
Nine Months Ended January 31, 2012	Solutions (POS)			(TOS)			Overhead			Consolidated
Net revenue	$	1,837		$	3,931		$	-		$	5,768
Direct cost of services		(1,463	)		(1,904	)		-			(3,367	)
Sales and marketing costs		(718	)		(626	)		-			(1,344	)
Other operating expenses		-			(2,419	)		(2,489	)		(4,908	)
Stock- based compensation expense (1)		-			-			(2,612	)		(2,612	)
Segment profit (loss)	$	(344	)	$	(1,018	)	$	(5,101	)	$	(6,463	)

(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.