Deferred Revenue

9 Months Ended

Sep. 30, 2014

Deferred Revenue [Abstract]

Deferred Revenue

8. Deferred Revenue

Deferred revenue consists of the following:

	September 30,	December 31,
	2014	2013
Product shipped, revenue deferred	$      1,044,638	$      1,368,007
Customer deposits	1,102,870	421,544
Deferred service and license fees	6,842,447	6,221,283
	8,989,955	8,010,834
Less: Long-term deferred revenue	(974,095)	(491,080)
Total current deferred revenue	$      8,015,860	$      7,519,754