Note 9 - Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

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

	Three Months Ended June 30,					Six Months Ended June 30,
	2014			2013		2014			2013
Income from continuing operations	$	9,009		$	12,637	$	18,837		$	23,479
Income from continuing operations per share:
Basic	$	0.09		$	0.13	$	0.19		$	0.24
Diluted	$	0.08		$	0.11	$	0.16		$	0.21
(Loss) from discontinued operations, net of tax	$	(503	)	─		$	(503	)	─
(Loss) from discontinued operations per share
Basic	$	(0.01	)	─		$	(0.01	)	─
Diluted	$	(0.01	)	─		$	(0.01	)	─
Shares used in computing net income (loss) per share:
Weighted average basic shares outstanding		103,183			96,122		99,926			96,025
Dilutive securities:
Stock option and unvested RSAs		5,038			4,380		5,008			4,383
Stock warrants		749			6,614		3,779			6,564
Shares issuable upon conversion of convertible notes (1)		9,122			5,212		8,863			5,038
Total dilutive securities		14,909			16,206		17,650			15,985
Weighted average diluted shares outstanding		118,092			112,328		117,576			112,010
Shares subject to stock options omitted from the calculation of income per share as their effect would have been anti-dilutive		598			1,373		336			1,289