Note 11 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

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

	For the Three Months Ended
	March 31, 2013		March 31, 2012
Employee stock options	$	71	$	98
Restricted stock grants		—		—
Total stock-based compensation expense	$	71	$	98

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

	For the Three Months Ended
	March 31, 2013		March 31, 2012
General and administrative	$	59	$	82
Sales, marketing and customer service		11		14
Engineering, design and product management		1		2
Total stock-based compensation expense	$	71	$	98

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used

	For the Three Months Ended
	March 31, 2013		March 31, 2012
Expected term		—		3.75
Risk-free interest rate		—		0.89	%
Expected volatility		—		1.03	%
Expected dividend yield		—		0	%

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

	2013				2012
	Shares		Weighted- Average Exercise Price Per Share		Shares		Weighted- Average Exercise Price Per Share
Outstanding as of January 1,		5,836,500	$	0.45		5,171,500	$	0.56
Granted		—		—		675,000		0.46
Exercised		—		—		—		—
Forfeited		(1,251,000)		0.43		(23,000)		1.10
Outstanding as of March 31,		4,585,500	$	0.46		5,823,500	$	0.55

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Number of Shares		Number of Shares
Restricted stock units outstanding and vested at January 1,		1,325,868		925,868
Granted		-		-
Forfeited		-		-
Restricted stock units outstanding and vested at March 31,		1,325,868		925,868