Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Option Activity

A summary of our stock option activity is as follows:

	Outstanding Options
	Number of Shares		Weighted Average Exercise Price
Balance at January 1, 2012	2,154,112		$	1.49
Options granted	2,240,000		0.31
Options exercised	—		—
Options cancelled/expired	(1,302,476	)	1.72
Balance at September 30, 2012	3,091,636		$	0.54
Exercisable, September 30, 2012	1,869,405		$	0.65
Vested and expected to vest	3,026,825		$	0.54

Schedule of Restricted Stock Activity

A summary of our restricted stock activity is as follows:

	Restricted Shares		Weighted-Average Grant Date Fair Value		Weighted-Average Contractual Life
Non-vested restricted stock at January 1, 2012	40,607		$	0.68	9.69 years
Granted	40,688		0.32
Vested	(40,688	)	0.32
Cancelled/expired	(20,297	)	0.68
Non-vested restricted stock at September 30, 2012	20,310		$	0.68	8.94 years

Schedule of Stock-Based Compensation Expense

The following table summarizes the stock-based compensation expense (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
Type of awards:	2012		2011		2012		2011
Stock options	$	247	$	93	$	376	$	293
Restricted stock	9		13		16		108
	$	256	$	106	$	392	$	401
Income statement account:
Promotion and selling	$	1	$	27	$	44	$	113
General and administrative	255		79		348		288
	$	256	$	106	$	392	$	401

Schedule of Key Weighted-Average Assumptions

We employ the following key weighted-average assumptions in determining the fair value of stock options, using the Black-Scholes option pricing model and the provisions of Staff Accounting Bulletins (SAB) 107 and 110, which allow the simplified method to estimate the expected term of "plain vanilla" options:

	Nine Months Ended September 30,
	2012			2011
Expected dividend yield	—			—
Expected stock price volatility	106.4		%	99.1		%
Risk-free interest rate	0.8		%	2.3		%
Expected term (in years)	5.4 years			5.9 years
Weighted-average grant date fair-value	$	0.24		$	0.99