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Summary of Significant Accounting Policies (Net Loss Per Share) (Tables)
12 Months Ended
Dec. 31, 2013
Summary Of Significant Accounting Policies Net Loss Per Share Tables  
Excluded Securities from Net Loss Per Share

As of December 31, 2013 and 2012, we excluded the following convertible securities from diluted net loss per share as the effect of including them would have been anti-dilutive. The shares shown represent the number of shares of common stock which would be issued upon conversion in the respective years.

      December 31,
      2013     2012
Publicly traded warrants         753,000
Options and private warrants     9,996,000     5,696,000
Nonvested equity shares     108,000     207,000
      10,104,000     6,656,000