Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

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Stockholders' Equity (Details Textual) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jan. 09, 2014
Dec. 31, 2013
Jun. 30, 2014
Common Stock [Member]
Stockholders' Equity [Line Items]        
Issuance of stock, shares       2,530
Common stock, par or stated value per share $ 0.01   $ 0.01  
Sale of Stock, Price Per Share   $ 45.75