Note 2 - Summary of Significant Accounting Policies (Details) - Basic and Diluted Net Income per Share Computational Data (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Basic and Diluted Net Income per Share Computational Data [Abstract]
Net income (in Dollars)	$ 3,415	$ (2,251)	$ 6,658	$ (8,626)
Basic shares outstanding:
Common stock	39,251,221	35,560,227	38,258,941	34,977,335
Dilutive securities	2,396,000		2,638,000
Total	41,647,190	35,560,227	40,896,677	34,977,335