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Acquisitions - Summary of Consideration Paid and Amounts of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($)		12 Months Ended
	Dec. 17, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Consideration:
Cash		$ 6,348,730		$ 4,000,000
Recognized amounts of identifiable assets acquired and liabilities assumed:
Goodwill		3,700,447	$ 1,249,956	$ 1,249,956
Skycross, Inc.
Consideration:
Cash	$ 4,000,000
Contingent consideration arrangement	1,000,000	$ 1,000,000	$ 1,000,000
Fair value of total consideration transferred	5,000,000
Recognized amounts of identifiable assets acquired and liabilities assumed:
Accounts receivable	429,267
Intangible assets	3,497,000
Current liabilities	(176,223)
Total identifiable net assets acquired	3,750,044
Goodwill	1,249,956
Total	$ 5,000,000