Stock-Based Compensation (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended					1 Months Ended				0 Months Ended		1 Months Ended			1 Months Ended		1 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Stock Option Plan 2005 [Member]	Dec. 31, 2012 Stock Option Plan 2003 [Member]	Dec. 31, 2012 Stock Option Plan 2002 [Member]	Nov. 10, 2012 Stock Incentive Plan 2011 [Member]	Aug. 27, 2012 Stock Incentive Plan 2011 [Member]	Jul. 23, 2012 Stock Incentive Plan 2011 [Member]	Apr. 25, 2012 Stock Incentive Plan 2011 [Member]	Apr. 02, 2012 Stock Incentive Plan 2011 [Member]	Oct. 03, 2011 Stock Incentive Plan 2011 [Member]	Apr. 07, 2011 Stock Incentive Plan 2011 [Member]	Dec. 31, 2012 Stock Incentive Plan 2011 [Member]	Apr. 22, 2011 Stock Incentive Plan 2011 [Member]	Apr. 07, 2011 Stock Incentive Plan 2003 [Member]	Dec. 31, 2012 Stock Incentive Plan 2003 [Member]	Apr. 07, 2011 Stock Option Plan 2003 and Stock Incentive Plan 2003 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award	Options issued under these plans have a term of 10 years.
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years					4 years	4 years				18 months	18 months
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			600,000	1,500,000	100,000								2,000,000			300,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period								25,000	50,000	25,000	450,000	300,000			210,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001												$ 0.001
Share Based Compensation Arrangement By Share Based Payment Award Exercise Price						$ 0.008	$ 0.008	$ 0.008	$ 0.01	$ 0.03	$ 0.014	$ 0.017			$ 0.017		$ 0.017
Share Based Compensation Arrangement By Share Based Payment Award Exercise Price Description												The replacement options were issued to most, but not all, employees whose exercise prices were $1.00 or greater.					Exercise prices of $1.00 or greater were cancelled.
Options, Forfeited (in shares)	162											422,503
Options, Granted (in shares)	375					100,000	100,000					500,105
Allocated Share-based Compensation Expense	$ 14,000	$ 66,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 38,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	2 years
Subsequent Event, Description	On February 4, 2013, the Board of Directors voted to extend Mr. JJ Keil's 131,025 options until April 7, 2016.