Note 6 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

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

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
Stock-based compensation expense, gross	$	170		$	34		$	324		$	102
Income tax benefit at our statutory rate associated with stock-based compensation		(66	)		(13	)		(126	)		(40	)
Stock-based compensation expense, net	$	104		$	21		$	198		$	62

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

	Nine Months Ended
	September 30, 2012
Expected term (in years)	6.3
Volatility	104.9	%
Risk-free interest rate	1.0	%
Dividend yield	0.0	%
Expected forfeitures	0.0	%

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

	Nine Months Ended
	September 30, 2012
	Number of Shares Underlying Options			Weighted- Average Exercise Price
Stock options - common stock:
Stock options outstanding - beginning of period		1,002,350		$	7.50
Options granted		359,568		$	1.99
Options expired		(32,150	)	$	8.61
Options forfeited		(1,500	)	$	7.64
Stock options outstanding - end of period		1,328,268		$	5.98
Exercisable at end of period		968,700		$	7.47

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

	Nine Months Ended
	September 30, 2012
			Weighted-
			average
			Grant Date
	Number of		Fair Value
	Shares		Per Share
Restricted stock - common stock:
Restricted stock awards outstanding, beginning of period		-	$	-
Granted		432,396		1.65
Vested		-		-
Restricted stock awards outstanding, end of period		432,396	$	1.65

	Nine Months Ended
	September 30, 2012
			Weighted-average
			Grant Date
	Number of		Fair Value
	Shares		Per Share
Restricted stock - common stock:
Restricted stock awards outstanding, beginning of period		10,000	$	4.94
Granted		-		-
Vested		-		-
Restricted stock awards outstanding, end of period		10,000	$	4.94