Deferred Revenue (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 9,810,421	$ 9,273,665
Less: Long-term deferred revenue	(435,542)	(522,329)
Total current deferred revenue	9,374,879	8,751,336
Product Shipped, Revenue Deferred [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	467,383	549,709
Customer Deposits [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	2,910,000	2,910,000
Deferred Service And License Fees [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 6,433,038	$ 5,813,956