Note 9 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

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

	Three Months Ended September 30,					Nine Months Ended September 30,
	2014 (1)			2013		2014			2013
Income (loss) from continuing operations	$	(11,650	)	$	12,205	$	7,187		$	35,684
Income (loss) from continuing operations per share:
Basic	$	(0.11	)	$	0.13	$	0.07		$	0.37
Diluted	$	(0.11	)	$	0.11	$	0.06		$	0.32
(Loss) from discontinued operations, net of tax		─			─	$	(503	)		─
(Loss) from discontinued operations per share:
Basic		─			─		─			─
Diluted		─			─		─			─
Shares used in computing net income (loss) per share:
Weighted average basic shares outstanding		105,438			96,238		101,784			96,096
Dilutive securities:
Stock option and unvested RSAs		─			4,510		4,748			4,408
Stock warrants		─			6,687		2,505			6,635
Shares issuable upon conversion of convertible notes (2)		─			6,282		9,498			5,505
Total dilutive securities		─			17,479		16,751			16,548
Weighted average diluted shares outstanding		105,438			113,717		118,535			112,644
Shares subject to stock options omitted from the calculation of income per share as their effect would have been anti-dilutive		─			1,110		740			1,335