Loss per Share (Tables)

6 Months Ended

Jun. 30, 2016

Schedule of potential common shares excluded from the computation of diluted weighted average shares outstanding

The following table sets forth potential common shares issuable upon the exercise of outstanding options, the exercise of warrants, and the conversion of the Senior Convertible Notes, all of which have been excluded from the computation of diluted weighted average shares outstanding as they would be anti-dilutive, including the impact on dilutive net loss per share of in-the-money warrants as per ASC 260-10-45-35 through ASC 260-10-45-37:



	Six Months Ended June 30, 2016	Six Months Ended June 30, 2015
Stock Options	26,355,948	17,041,722
Warrants	4,726,823	5,246,703
Senior Convertible Notes	25,460,450	57,166,238
Total shares issuable upon exercise or conversion	56,543,221	79,454,663