Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2014

Deferred Revenue Disclosure [Abstract]

Summary of Deferred Revenue

The Company periodically reviews the estimated period of performance based on the progress made under each arrangement. The full amount as of December 31, 2014 of $11,779 is expected to be realized as revenue as follows:

Year ending December 31:
2015	$	11,622
2016		157
Deferred revenue	$	11,779