Capital Stock

12 Months Ended

Dec. 31, 2014

Equity [Abstract]

Capital Stock

(9) Capital Stock

As of December 31, 2014 and 2013, we had 24,088 authorized but unissued shares of preferred stock. In addition, as of December 31, 2014, 599,000 authorized but unissued shares of common stock have been reserved for future issuance upon exercise of stock options.