XML 76 R62.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 13 - Common Stock and Additional Paid-in Capital (Details) - USD ($)
 1 Months Ended 12 Months Ended
Aug. 12, 2014
May. 07, 2014
Feb. 14, 2014
Apr. 30, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Feb. 26, 2015
Nov. 26, 2014
Mar. 22, 2010
Stockholders' Equity Note [Abstract]                          
Stock Repurchase Program, Authorized Amount (in Dollars)                       $ 10,000,000 $ 15,000,000
Stock Repurchased During Period, Shares (in Shares)         2,372,097 843,022 0 0 551,646 1,205,229      
Treasury Stock Acquired, Average Cost Per Share         $ 5.46 $ 6.30     $ 4.05 $ 5.21      
Shares Public Offering (in Shares)       11,500,000                  
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01              
Sale of Stock, Price Per Share $ 10.00 $ 10.50 $ 9.71 $ 10.00                  
Proceeds from Issuance or Sale of Equity (in Dollars) $ 35,000,000 $ 47,000,047 $ 32,999,998 $ 115,000,000                  
Proceeds From Issuance of Equity, Net of Issuance Costs (in Dollars) $ 34,071,501 $ 46,294,133 $ 31,937,044 $ 109,119,029                  
Stock Issued During Period, Shares, New Issues (in Shares) 3,500,000 4,476,195 3,398,558                    
Stock Repurchase Program, Authorized Amount, Additional (in Dollars)                     $ 20,000,000