Stock-Based Compensation

9 Months Ended

Sep. 30, 2016

10. Stock-Based Compensation

The Company records stock-based compensation 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,
	2016		2015		2016		2015
Stock options and employee stock purchase plan awards
Research and development	$	15	$	29	$	56	$	103
Selling, general and administrative		94		103		294		279

Restricted stock awards
Research and development		20		255		101		436
Selling, general and administrative		26		838		122		1,106

Restricted stock units
Research and development		13		4		27		4
Selling, general and administrative		102		31		212		25
Total stock-based compensation	$	270	$	1,260	$	812	$	1,953

- 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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