Stock-Based Compensation

9 Months Ended

Sep. 30, 2015

10. Stock-Based Compensation

The Company records expense during the requisite service period for share-based payment awards granted to employees and non-employees.

The following table sets forth the Company’s stock-based compensation expense (in thousands) for the periods indicated.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014			2015		2014
Stock options and employee stock purchase plan awards
Research and development	$	29	$	96	$	103	$	355
Selling, general and administrative		104		225		279		764

Restricted stock awards
Research and development		255		90		436		361
Selling, general and administrative		838		448		1,106		882

Restricted stock units
Research and development		4		-		4		-
Selling, general and administrative		25		-		25		-
Total stock-based compensation	$	1,255	$	859	$	1,953	$	2,362