Loss per Share (Tables)

3 Months Ended

Mar. 31, 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:



	Three Months Ended March 31, 2016	Three Months Ended March 31, 2015
Stock Options	21,227,948	16,621,065
Warrants	4,726,823	5,951,071
Senior Convertible Notes	25,460,450	64,308,682
Total shares issuable upon exercise or conversion	51,415,221	86,880,818