Stock Based Compensation (Tables) - Stock Options

3 Months Ended

Mar. 31, 2016

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Stock Options granted, exercised, expired, forfeited and canceled outstanding

A summary of stock options granted, exercised, expired and forfeited under our stock incentive plans and stock options outstanding as of, and changes made during, the three months ended March 31, 2016, is presented below (shares in thousands):

	Outstanding				Exercisable
	Number of Shares Underlying Options		Weighted Average Exercise Price		Number of Shares Underlying Options	Weighted Average Exercise Price
Options outstanding, December 31, 2015	1,269		$	1.98	960	$	1.99
Granted	—		—
Exercised	—		—
Expired	—		—
Forfeited and canceled	(19	)	1.71
Options outstanding, March 31, 2016	1,250		$	1.99	1,026	$	2.02

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Stock-based compensation expense related to stock options is allocated as follows for the three months ended March 31, 2016 and 2015 (in thousands):

	Three Months Ended
	March 31,
	2016		2015
General and administrative	$	94	$	102
	$	94	$	102