Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Stock Based Compensation

Summary of option activity under all plans

The following is a summary of option activity under all plans (in thousands, except per option data):

	Number of Options		Weighted Average Exercise Price		Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding, December 31, 2010	5,529		$	0.21
Granted	1,500		0.15
Exercised	—		—
Forfeited	(1,254	)	0.23
Expired	—		—
Cancelled	(173	)	0.24
Outstanding, December 31, 2011	5,602		$	0.21
Granted	468		0.17
Exercised	—		—
Forfeited	(3	)	0.55
Expired	—		—
Cancelled	(475	)	0.24
Outstanding, December 31, 2012	5,592		$	0.21	3.21	$	6,500
Exercisable, December 31, 2012	4,948		$	0.21	2.44	$	5,500

Summary of assumptions used for weighted average fair value of options issued

	Year Ended December 31,
	2012	2011
Expected life (years)	5.00 – 6.00	1.00 – 6.00
Interest rate	0.19 – 0.69%	0.27 – 2.65%
Volatility	204.1 – 216.2%	107.2 – 169.0%
Expected dividend yield	None	None
Value of option granted	$0.12 – 0.17	$0.01 – 0.13