Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v2.4.0.8
Stockholders' Equity (Details Textual) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 9 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Jul. 31, 2012
Sep. 30, 2012
Common Stock [Member]
Stockholders' Equity [Line Items]        
Issuance of stock, shares       2,645 [1]
Common stock, par or stated value per share $ 0.01 $ 0.01    
Sale of stock, price per share     $ 34.75  
[1] (1) In July 2012, we issued a public offering of 2,645,000 shares of common stock, par value $0.01 per share, at a price to the public of $34.75 per share.