Note 12 - Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2013

Stockholders' Equity Note [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
	(in thousands, except per share data)
Net loss	$	(19,640	)	$	(8,500	)	$	(32,424	)	$	(35,791	)
Shares:
Basic weighted average common shares outstanding		115,935			115,573			115,862			115,543
Incremental shares from assumed conversion of dilutive share based awards		-			-			-			-
Diluted weighted average common shares outstanding		115,935			115,573			115,862			115,543
Excluded share based awards (1)		8,140			6,256			8,140			6,256
Excluded convertible debt shares (1)		28,890			28,890			28,890			28,890
Basic net loss per share	$	(0.17	)	$	(0.07	)	$	(0.28	)	$	(0.31	)
Diluted net loss per share	$	(0.17	)	$	(0.07	)	$	(0.28	)	$	(0.31	)

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
	(in thousands)
Employee stock—based compensation costs	$	763	$	661	$	1,304	$	1,137
Director stock—based compensation costs		155		32		293		265
Employee stock purchase plan costs		3		7		6		18
	$	921	$	700	$	1,603	$	1,420