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		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Basic and Diluted Net Income per Share Computational Data [Abstract]
Net income (in Dollars)	$ 3,532	$ (2,783)	$ 3,243	$ (6,375)
Basic shares outstanding:
Common stock	38,451,848	34,910,937	37,763,812	34,685,892
Dilutive securities	2,488,000		2,758,000
Total	40,939,576	34,910,937	40,522,432	34,685,892