Note 11 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 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 September 30,				For the Nine Months Ended September 30,
	2013		2012		2013		2012
Employee stock options	$	51	$	110	$	158	$	303
Stock grants		-		-		-		106
Total stock-based compensation expense	$	51	$	110	$	158	$	409

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,
	2013		2012		2013		2012
General and administrative	$	51	$	84	$	146	$	350
Sales, marketing and customer service		—		26		11		56
Engineering, design and product management		—		—		1		3
Total stock-based compensation expense	$	51	$	110	$	158	$	409

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

	For the Three Months Ended September 30,							For the Nine Months Ended September 30,
	2013			2012				2013			2012
Expected term		3.75				3.75			3.75				3.75
Risk-free interest rate		1.62	%	.60%	-	67	%		1.62	%	0.60%	-	0.89	%
Volatility		106	%	220%	-	221	%		106	%	213	-	221	%
Dividend yield		—				0	%		—				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
Granted		-			-		750,000			0.28
Exercised		-			-		-			-
Forfeited		(1,255,250	)		0.57		(830,000	)		0.64
Outstanding as of June 30,		3,330,250			0.41		5,743,500			0.50
Granted		4,000,000			0.05		1,195,000			0.28
Exercised		-			-		-			-
Forfeited		(836,000	)		0.57		(176,625	)		0.72
Outstanding as of September 30,		6,494,250			.21		6,761,875			0.45

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

	Shares
	2013		2012
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
Granted		-		400,000
Forfeited		-		-
Restricted stock units outstanding and vested at June 30,		1,325,868		1,325,868
Granted		-		-
Forfeited		-		-
Restricted stock units outstanding and vested at September 30,		1,325,868		1,325,868