Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies - Schedule of Product Warranty Reserve Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 199	$ 61	$ 192	$ 1
Provisions	128	62	394	143
Warranty incurred	(138)	(34)	(397)	(55)
Ending balance	$ 189	$ 89	$ 189	$ 89