Summary of Significant Accounting Policies - Summary of Contract Assets and Liabilities (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Total deferred revenue	$ 5,777,404	$ 5,646,713
Less: Long-term deferred revenue	(510,689)	(554,258)
Total current deferred revenue	5,266,715	5,092,455
Contract Assets - Unbilled Receivables [Member]
Total deferred revenue	99,793	168,445
Customer Deposits [Member]
Total deferred revenue	597,000
Product Shipped, Revenue Deferred [Member]
Total deferred revenue	674,666	674,324
Deferred Service and License Fees [Member]
Total deferred revenue	$ 4,505,738	$ 4,972,389