Deferred Revenue (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 6,314,632	$ 9,273,665
Less: Long-term deferred revenue	(611,863)	(522,329)
Total current deferred revenue	5,702,769	8,751,336
Product Shipped, Revenue Deferred [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	941,724	549,709
Customer Deposits [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue		2,910,000
Deferred Service And License Fees [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 5,372,908	$ 5,813,956