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Note 15 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2014

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]

		Nine Months Ended September 30,
		2014
		(in thousands)
Stockholders’ equity as of December 31, 2013		$	251,545
Net loss			(8,178	)
Accumulated other comprehensive loss			(1,803	)
Common stock issued through initial public offering			38,018
Common stock issued to employees, net of shares withheld			(485	)
Cost related to public offering			(3,358	)
Exercise of stock options			701
Nonemployee share-based compensation expense			728
Employee share-based compensation expense			5,952
Stockholders’ equity as of September 30, 2014		$	283,120

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

		Three Months Ended September 30,								Nine Months Ended September 30,
		2014				2013				2014				2013
Average volatility			—				28.3	%			29.9	%			28.5	%
Risk-free interest rate			—				1.2	%			1.7	%			1.2	%
Weighted-average expected life in years			—				4.4				5.0				4.4
Dividend yield rate			—				0.0	%			0.0	%			0.0	%

Schedule of Stock Options Roll Forward [Table Text Block]

		Options				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value(1)
														(in thousands)
Outstanding as of December 31, 2013			10,771,755			$	15.39
Options granted			1,661,862				15.04
Options exercised			(65,000	)			10.79
Options cancelled			(60,198	)			12.11
Options expired			(796,988	)			18.86
Outstanding as of September 30, 2014			11,511,431			$	15.14				4.87			$	1,975
Exercisable as of September 30, 2014			5,732,361			$	17.27				3.60			$	806

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

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014				2013				2014				2013
	(in thousands, except per share data)
Weighted-average grant date fair value		$	—			$	2.50			$	4.02			$	2.54
Intrinsic value of options exercised			283				4				144				(1	)
Cash received			130				38				701				51
Total fair value of the options vested during the year			3,510				3,203				4,324				4,056

Schedule of Nonvested Share Activity [Table Text Block]

		Options				Weighted-Average Grant Date Fair Value
Nonvested as of December 31, 2013			5,617,554			$	3.12
Options granted			1,661,862				4.02
Options vested			(1,440,148	)			3.00
Options forfeited			(60,198	)			4.35
Nonvested as of September 30, 2014			5,779,070				3.39

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

		Total DSUs Issued				Total Fair Market Value of DSUs Issued as Compensation (1)
						(in thousands)
DSUs outstanding at December 31, 2013			98,495
DSUs granted			449,544			$	6,389
DSUs forfeited			(994	)
Common stock delivered			(9,497	)
DSUs surrendered for taxes			(7,774	)
DSUs outstanding at September 30, 2014			529,774

X

- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

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-Publisher FASB

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