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Stockholders' Equity (Policies)
 6 Months Ended
Jun. 30, 2015
Stockholders' Equity Attributable to Parent [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]
Stockholders' Equity
In June 2015, the Company's Board of Directors (the “Board”) approved Articles Supplementary to the Company's charter which designated 400,000,000 shares of common stock as a new class of common stock, referred to as the Class C common stock, par value $0.0003 1/3 per share.  The Articles Supplementary became effective on June 15, 2015.  The Company has not yet issued any shares of Class C common stock, but the Company has announced the intention of its Board to consider distributing shares of the Class C common stock as a dividend to the Company's holders of Class A and Class B common stock.  The decision to proceed with, and timing of, this dividend will be made by the Board in its discretion and there can be no assurance that this dividend will be declared or paid.  The terms of the Class C common stock are substantially identical to those of the Company's Class A common stock, except that the Class C common stock has no voting rights (except in limited circumstances), will automatically convert into Class A common stock under certain circumstances and includes provisions intended to ensure equal treatment of Class C common stock and Class B common stock in certain corporate transactions, such as mergers, consolidations, statutory share exchanges, conversions or negotiated tender offers, and including consideration incidental to these transactions.