Description of Business, Basis of Presentation and Summary of Significant Accounting Policies - Allowance (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at Beginning of Period	$ 527,958	$ 283,000	$ 133,000
Additions, Costs and Expenses	193,746	304,306	152,587
Deductions, Write-Offs	338,125	59,348	2,587
Balance at End of the Period	$ 383,579	$ 527,958	$ 283,000