Deferred Revenue (Tables)

3 Months Ended

Mar. 31, 2015

Deferred Revenue [Abstract]

Schedule Of Deferred Revenue

	March 31,	December 31,
	2015	2014
Product shipped, revenue deferred	$        823,977	$        457,348
Customer deposits	40,256	1,065,371
Deferred service and license fees	6,417,652	6,111,616
	7,281,885	7,634,335
Less: Long-term deferred revenue	(963,356)	(976,165)
Total current deferred revenue	$     6,318,529	$     6,658,170