Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2017

Accounting Policies [Abstract]

Schedule of Computation of Diluted EPS

The potential common stock equivalents that have been excluded from the computation of Diluted EPS consist of the following:

	THREE MONTHS ENDED   SEPTEMBER 30,		NINE MONTHS ENDED   SEPTEMBER 30,
	2017	2016	2017	2016
2014 Convertible Notes(1)	5,040,323	5,040,323	5,040,323	5,040,323
Outstanding stock options	6,237,959	5,152,024	6,237,959	5,152,024
Stock purchase warrants	157,500	157,500	157,500	157,500
Unvested restricted common stock awards	439,549	171,734	439,549	171,734

(1) Conversion is limited to a 9.985% ownership cap in shares of common stock by the holder. In addition to the common stock equivalents presented above, the 2014 Convertible Notes provide for an increase in the conversion rate if conversion is elected in connection with a significant corporate transaction. Refer to Note 7 for further information regarding the 2014 Convertible Notes.