Note 9 - Common Stock (Tables)

12 Months Ended

Dec. 31, 2012

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

	Number of Options				Weighted Average Option Price	Aggregate Intrinsic Value
Balance, December 31, 2009		1,450		$	8.16	$ -
Granted		443			1.71
Exercised		-			N/A
Canceled		(423)			12.42
Balance, December 31, 2010		1,470			5.00	-
Granted		370			2.98
Exercised		(107	)		4.92
Canceled		(401	)		5.77
Balance, December 31, 2011		1,332			4.21		1,724
Granted		1,095			3.94
Exercised		(176	)		4.71
Canceled		(198	)		3.79
Balance, December 31, 2012		2,053			4.06		448
Exercisable at December 31, 2012		544		$	5.75	$	167

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

				Options Outstanding						Options Exercisable
Range of Exercise Prices				Number Outstanding at 12/31/12		Weighted-Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number Exercisable at 12/31/12		Weighted Average Exercise Price
	$1.36	-	$4.18		1,135		8.88	$	2.45		189	$	1.71
	$4.19	-	$8.35		773		6.87		5.15		210		5.83
	$8.36	-	$11.45		145		1.23		10.89		145		10.89
Total					2,053		7.58	$	4.06		544	$	5.75

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

	2012			2011			2010
Weighted average risk free interest rates		1.83	%		3.01	%		2.84	%
Weighted average life (in years)		10			10			10
Volatility		66.10	%		64.81	%		63.37	%
Expected dividend yield		-			-			-
Weighted average grant-date fair value per share of options granted		$2.87			$2.20			$1.24

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Restricted Stock Shares			Weighted Average Grant Date Value
Nonvested restricted stock at December 31, 2010		319		$	2.52
Granted		72			4.41
Vested		(65	)		4.63
Cancelled/Forfeited		(100	)		2.17
Nonvested restricted stock at December 31, 2011		226			2.67
Granted		9			5.72
Vested		(49	)		3.35
Cancelled/Forfeited		(74	)		1.82
Nonvested restricted stock at December 31, 2012		112		$	3.17