Stock Options (Tables) (Stock Options [Member])

9 Months Ended

Sep. 30, 2014

Stock Options [Member]

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

Summary of options granted, exercised, expired and forfeited

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 nine months ended September 30, 2014, 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, 2013	1,792		$	2.21	410	$	2.71
Granted	—		—
Exercised	(50	)	0.90
Expired	(50	)	5.29
Forfeited and canceled	(333	)	2.71
Options outstanding, September 30, 2014	1,359		$	2.02	675	$	2.06

Weighted average grant date fair value of options

The weighted average fair value of each option granted is estimated on the date of grant using the Black-Scholes option valuation model with the weighted average assumptions during the nine months ended September 30, 2013 as shown in the table below. No assumptions are presented for the three and nine months ended September 30, 2014 as no options were granted during this period.

	Nine Months Ended
	September 30,
	2013
Risk free interest rate	0.8%
Expected option lives	5 years
Expected volatility	103.2%
Estimated forfeiture rate	10%
Expected dividend yields	—
Weighted average grant date fair value of options	$1.39

Stock option compensation expense is allocated

Stock option compensation expense is allocated as follows for the three and nine months ended September 30, 2014 and 2013 (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
General and administrative	103		146		254		503
	$	103	$	146	$	254	$	503