STOCK-BASED COMPENSATION

3 Months Ended

Mar. 31, 2015

NOTE 5. STOCK-BASED COMPENSATION

The following table presents stock-based compensation expense recognized for stock options, stock awards, restricted stock units and the Company’s employee stock purchase program (ESPP) in the Company’s Condensed Consolidated Statements of Operations (in thousands):

	Three Months Ended March 31,
	2015		2014

Cost of sales	$	1	$	12
Research and development expense	137		53
Selling, general and administrative expense	2,675		1,806
Total	$	2,813	$	1,871

At March 31, 2015, the Company had $22.9 million of total unrecognized compensation expense, net of estimated forfeitures, related to stock option grants and restricted stock units that will be recognized over an average vesting period of 2.0 years.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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