Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Schedule of Share-based Compensation, Activity [Table Text Block]

			Shares Available For
		Shares Reserved	Issuance at
Plan	Date Adopted	For Issuance	December 31, 2013
2011 Stock Incentive Plan	April 7, 2011	2,000,000	1,250,105
2005 Stock Option Plan	December 16, 2005	600,000	600,000
2003 Stock Option Plan	September 24, 2003	1,500,000	1,102,387
2003 Stock Incentive Plan	October 31, 2003	300,000	300,000
2002 Stock Option Plan	June 6, 2002	100,000	100,000
			3,352,492

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of stock-based awards issued during the year ended December 31, 2012 was estimated using the Black-Scholes-Merton model with the following weighted-average assumptions:  

Volatility	156%-169%
Expected dividends	-
Expected term (in years)	5.8
Risk-free rate	2.7%-2.9%

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the transactions during the year ended December 31, 2013 with respect to our stock option plans follows:

						Weighted-
						Average
			Weighted-			Contractual
			Average		Aggregate	Life
			Exercise		Intrinsic	Remaining
	Shares		Price		Value	in Years
	(in thousands)				(in thousands)
Outstanding at January 1, 2012	1,340	$	0.017
Forfeited	(167)	$	0.012
Outstanding at December 31, 2013	1,173	$	0.017	$	-	7.7
Exercisable at December 31, 2013	938	$	0.018	$	-	7.5

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The following table summarizes information about our stock options outstanding as of December 31, 2013:

Options Outstanding					Options Exercisable
		Weighted-				Weighted-
		Average	Weighted-			Average
	Number of	Remaining	Average		Number of	Exercise
Exercise Prices	Shares	Life	Exercise Price		Shares	Price
	(in thousands)	(in years)			(in thousands)
$0.008	200	8.7	$	0.008	52	$	0.008
$0.014 to $0.017	884	7.5	$	0.015	797	$	0.016
$0.050	89	7.2	$	0.047	89	$	0.047
	1,173	7.7	$	0.017	938	$	0.018