Note 11 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

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 June 30,				For the Six Months Ended June 30,
	2013		2012		2013		2012
Employee stock options	$	36	$	95	$	107	$	193
Stock grants		—		106		—		106
Total stock-based compensation expense	$	36	$	201	$	107	$	299

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

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2013		2012		2013		2012
General and administrative	$	36	$	185	$	95	$	267
Sales, marketing and customer service		—		16		11		30
Engineering, design and product management		—		—		1		2
Total stock-based compensation expense	$	36	$	201	$	107	$	299

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

	For the Three Months Ended June 30,					For the Six Months Ended June 30,
	2013		2012			2013		2012
Expected term		—		3.75			—			3.75
Risk-free interest rate		—		0.72	%		—		0.72	-	0.89	%
Volatility		—		215	%		—		213	-	215	%
Dividend yield		—		0	%		—			0		%

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

	2013
	Shares			Weighted- Average Exercise Price Per Share
Outstanding as of January 1,		5,836,500		$	0.45
Granted		—			—
Exercised		—			—
Forfeited		(1,251,000	)		0.43
Outstanding as of March 31,		4,585,500		$	0.46
Granted		—			—
Exercised		—			—
Forfeited		(1,255,250	)		0.57
Outstanding as of June 30,		3,330,250		$	0.41

	2012
	Shares			Weighted- Average Exercise Price Per Share
Outstanding as of January 1,		5,171,500		$	0.56
Granted		675,000			0.46
Exercised		—			—
Forfeited		(23,000	)		1.10
Outstanding as of March 31,		5,823,500		$	0.55
Granted		750,000			0.28
Exercised		—			—
Forfeited		(830,000	)		0.64
Outstanding as of June 30,		5,743,500		$	0.50

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

	2013 Number of Shares
Restricted stock units outstanding and vested at January 1,		1,325,868
Granted		-
Forfeited		-
Restricted stock units outstanding and vested at March 31,		1,325,868
Granted		-
Forfeited		-
Restricted stock units outstanding and vested at June 30,		1,325,868

	2012 Number of Shares
Restricted stock units outstanding and vested at January 1,		925,868
Granted		-
Forfeited		-
Restricted stock units outstanding and vested at March 31,		925,868
Granted		400,000
Forfeited		-
Restricted stock units outstanding and vested at June 30,		1,325,868