Note 11 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 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
	March 31, 2014		March 31, 2013
Employee stock options	$	215	$	71
Total stock-based compensation expense	$	215	$	71

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

	For the Three Months Ended
	March 31, 2014		March 31, 2013
General and administrative	$	210	$	59
Sales, marketing and customer service		5		11
Engineering, design and product management		-		1
Total stock-based compensation expense	$	215	$	71

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