Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Schedule of Computation of Diluted EPS

The Company’s potential common stock equivalents that have been excluded from the computation of Diluted EPS for all periods presented consist of the following:

	THREE MONTHS ENDED   JUNE 30,		SIX MONTHS ENDED   JUNE 30,
	2015	2014	2015	2014
2014 Convertible Notes(1)	5,040,323	—	5,040,323	—
Outstanding stock options	4,601,831	3,809,370	4,601,831	3,809,370
Stock purchase warrants	159,506	309,506	159,506	309,506
Unvested restricted common stock awards	154,014	174,566	154,014	174,566

(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 8 for further information regarding the 2014 Convertible Notes.