Note 14 - Stockholders' Equity (Details) - Common Stock Issuance (USD $)
In Thousands, unless otherwise specified
 0 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended
May 03, 2013
Oct. 09, 2012
Sep. 04, 2012
Jul. 17, 2012
Dec. 06, 2011
Dec. 16, 2011
Jul. 02, 2011
Aug. 21, 2012
Jul. 14, 2011
May 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Common Stock Issuance [Abstract]                          
Shares Issued 13,600 15,525 1,500 5,175 2,400 360 1,500 10,000 225 3,163      
Net Proceeds (1) (in Dollars) $ 94,434 [1] $ 104,144 [1] $ 9,765 [1] $ 33,150 [1] $ 15,422 [1] $ 2,360 [1] $ 10,325 [1] $ 64,892 [1] $ 1,603 [1] $ 20,031 [1] $ 100,551 $ 232,668 $ 30,382
[1] Proceeds are net of underwriting costs and offering expenses paid by the Company.