STOCK COMPENSATION EXPENSE (Tables)

6 Months Ended

Jun. 30, 2012

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Schedule Of Earnings Per Share Basic and Diluted Before Stock Based Compensation [Table Text Block]

Net income (loss) before and after stock-based compensation is as follows:

	Three months ended						Six months ended
(in thousands except per share data)	June 30, 2011			June 30, 2012			June 30, 2011			June 30, 2012
Net income (loss)	$	(3,459	)	$	(5,917	)	$	(8,386	)	$	(5,905	)
Net income (loss) per share
Basic	$	(0.14	)	$	(0.24	)	$	(0.34	)	$	(0.24	)
Diluted	$	(0.14	)	$	(0.24	)	$	(0.34	)	$	(0.24	)
Number of shares used for computing
Basic		24,646			25,157			24,646			25,085
Diluted		24,646			25,157			24,646			25,085
Stock-based compensation (ASC 718)
Cost of products and services sold		29			11			48			25
Research  and development		360			283			566			537
Selling, general and administrative		367			512			661			929
Total		756			806			1,275			1,491
Net income (loss) before stock-based compensation		(2,703	)		(5,111	)		(7,111	)		(4,414	)
Net income (loss) before stock-based compensation per share
Basic	$	(0.11	)	$	(0.20	)	$	(0.29	)	$	(0.18	)
Diluted	$	(0.11	)	$	(0.20	)	$	(0.29	)	$	(0.18	)