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Note 11 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

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

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

		For the Three Months Ended September 30,								For the Nine Months Ended September 30,
		2014				2013				2014				2013
Employee stock options		$	(169	)		$	51			$	208			$	158
Total stock-based compensation expense		$	(169	)		$	51			$	208			$	158

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

			For the Three Months Ended September 30,							For the Nine Months Ended September 30,
		2014				2013				2014				2013
General and administrative		$	(169	)			51			$	206			$	146
Sales, marketing and customer service			—				—				2				11
Engineering, design and product management			—				—				—				1
Total stock-based compensation expense		$	(169	)		$	51			$	208			$	158

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

		For the Three Months September 30,								For the Nine Months Ended September 30,
		2014				2013				2014				2013
Expected term			4				3.75				4				3.75
Risk-free interest rate			1.25	%			1.62	%			1.25	%			1.62	%
Volatility			126	%			106	%			95	%			106	%
Dividend yield			—				—				—				—

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

		2014								2013
		Shares				Weighted- Average Exercise Price Per Share				Shares				Weighted- Average Exercise Price Per Share
Outstanding as of January 1,			7,114,250			$	0.20				5,836,500			$	0.45
Granted			—				—				—				—
Exercised			—				—				—				—
Forfeited			(559,250	)			0.29				(1,251,000	)			0.43
Outstanding as of March 31,			6,555,000			$	0.19				4,585,500			$	0.46
Granted			10,650,000				0.31				—				—
Exercised			—				—				—				—
Forfeited			(357,500	)			0.29				(1,255,250	)			0.57
Outstanding as of June 30,			16,847,500			$	0.27				3,330,250			$	0.41
Granted			7,120,000				0.73				4,000,000			$	0.05
Exercised			(345,000	)			0.46				—				—
Forfeited			(3,763,500	)			0.12				(836,000	)			0.57
Outstanding as of September 30,			19,859,000			$	0.46				6,494,250				0.21

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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