Business Segment Information (Tables)

6 Months Ended

Oct. 31, 2012

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):

Three Months Ended October 31, 2012	Personalized Oncology Solutions (POS)			Translational Oncology Solutions (TOS)			Unallocated Corporate Overhead			Consolidated
Net revenue	$	459		$	999		$	-		$	1,458
Direct cost of services		(576	)		(471	)		-			(1,047	)
Sales and marketing costs		(378	)		(241	)		-			(619	)
Other operating expenses		-			(433	)		(651	)		(1,084	)
Stock- based compensation expense (1)		-			-			(624	)		(624	)
Segment profit (loss)	$	(495	)	$	(146	)	$	(1,275	)	$	(1,916	)

Three Months Ended October 31, 2011	Personalized Oncology Solutions (POS)			Translational Oncology Solutions (TOS)			Unallocated Corporate Overhead			Consolidated
Net revenue	$	590		$	1,151		$	-		$	1,741
Direct cost of services		(461	)		(604	)		-			(1,065	)
Sales and marketing costs		(369	)		(221	)		-			(590	)
Other operating expenses		-			(984	)		(716	)		(1,700	)
Stock- based compensation expense (1)		-			-			(855	)		(855	)
Segment profit (loss)	$	(240	)	$	(658	)	$	(1,571	)	$	(2,469	)

Six Months Ended October 31, 2012	Personalized Oncology Solutions (POS)			Translational Oncology Solutions (TOS)			Unallocated Corporate Overhead			Consolidated
Net revenue	$	1,377		$	2,187		$	-		$	3,564
Direct cost of services		(1,293	)		(1,162	)		-			(2,455	)
Sales and marketing costs		(814	)		(432	)		-			(1,246	)
Other operating expenses		-			(794	)		(1,221	)		(2,015	)
Stock- based compensation expense (1)		-			-			(1,364	)		(1,364	)
Segment profit (loss)	$	(730	)	$	(201	)	$	(2,585	)	$	(3,516	)

Six Months Ended October 31, 2011	Personalized Oncology Solutions (POS)			Translational Oncology Solutions (TOS)			Unallocated Corporate Overhead			Consolidated
Net revenue	$	1,188		$	2,184		$	-		$	3,372
Direct cost of services		(945	)		(1,072	)		-			(2,017	)
Sales and marketing costs		(676	)		(466	)		-			(1,142	)
Other operating expenses		-			(1,568	)		(1,462	)		(3,030	)
Stock- based compensation expense (1)		-			-			(1,868	)		(1,868	)
Segment profit (loss)	$	(433	)	$	(922	)	$	(3,330	)	$	(4,685	)

(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.