Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2013
Payables and Accruals [Abstract]
Accrued salaries, bonus, and benefits	$ 1,466,306	$ 1,641,491
Accrued rent	162,896	441,417		$ 515,138
Accrued licenses and maintenance fees	578,409	581,672
Accrued warranties	148,290	164,365	$ 222,845
Accrued taxes	272,498	234,668
Accrued professional services	494,242	367,072
Other	321,890	299,931
Total accrued liabilities	3,444,531	3,730,616
Less: Long term accrued liabilities	(621,573)	(535,369)
Total current accrued liabilities	$ 2,822,958	$ 3,195,247