Note 5 - Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

	2013			2012			2011
Risk-free interest rate		1.82	%		1.82	%		1.82	%
Dividend yield		0.00	%		0.00	%		0.00	%
Volatility factor		79.05	%		86.31	%		94.15	%
Expected life (years)		6.2			6.2			6.2
Exercise price	$	4.26		$	4.98		$	5.20
Merger date fair value	$	12.90		$	12.96		$	13.19

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

(In thousands, except per share amounts)	Shares			Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term (in years)*		Aggregate Intrinsic Value
Outstanding -11/12/13		1,704		$	22.22
Granted		-			-
Exercised		(141	)		18.53
Forfeited or expired		(246	)		53.18
Outstanding - 12/31/13		1,317		$	16.83		6.0	$	16,027
Outstanding - 12/31/13 less estimated forfeitures		1,264		$	17.35		5.9	$	15,067
Exercisable - 12/31/13		823		$	24.19		4.4	$	7,116

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

(In thousands, except per share amounts)	Shares			Weighted- Average Merger Date Fair Value
Nonvested balance - 11/12/13		207		$	15.06
Restrictions released		(3	)	$	15.06
Nonvested balance - 12/31/13		204		$	15.06