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Common Stock
 3 Months Ended
Mar. 31, 2015
Stockholders' Equity Note [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]
Note 5 – Common Stock
In March 2015, the Securities and Exchange Commission declared effective a shelf registration statement previously filed by the Company. The securities covered by this registration statement, which expires in March 2018, cannot exceed $500,000,000 in the aggregate and include common stock, preferred stock, depositary shares and warrants. The Company may periodically offer one or more of these securities in amounts, prices and on terms to be announced when and if these securities are offered. The specifics of any future offerings, along with the use of proceeds of any securities offered, will be described in detail in a prospectus supplement, or other offering materials, at the time of any offering.