Deferred Revenue (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 8,478,743	$ 9,273,665
Less: Long-term deferred revenue	(377,076)	(522,329)
Total current deferred revenue	8,101,667	8,751,336
Product Shipped, Revenue Deferred [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	665,726	549,709
Customer Deposits [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	1,455,000	2,910,000
Deferred Service And License Fees [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 6,358,017	$ 5,813,956