Note 1 - Nature of Business, Significant Accounting Policies and Recent Accounting Guidance (Tables)

6 Months Ended

Jun. 30, 2013

Accounting Policies [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
	(In thousands)				(In thousands)
Weighted-average shares outstanding - basic		33,612		33,277		33,566		31,934
Effect of dilutive securities		-		-		-		-
Weighted-average shares outstanding - diluted		33,612		33,277		33,566		31,934

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
	(In thousands)				(In thousands)
Stock options		2,732		2,340		2,732		2,340
Warrants		1,681		1,681		1,681		1,681
Total antidilutive common stock equivalents excluded from diluted earnings per share		4,413		4,021		4,413		4,021