Deferred Revenue (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 9,273,665	$ 9,455,133
Less: Long-term deferred revenue	(522,329)	(2,009,198)
Total current deferred revenue	8,751,336	7,445,935
Product Shipped, Revenue Deferred [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	549,709	366,388
Customer Deposits [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	2,910,000	2,505,000
Deferred Service And License Fees [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 5,813,956	$ 6,583,745