Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of Product Warranty Reserve Activity

Warranty reserve activity for the three and six months ended June 30, 2018 and 2017 is as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,			June 30,			June 30,			June 30,
	2018			2017			2018			2017
Beginning balance	$	176		$	31		$	192		$	1
Provisions	145			50			266			80
Warranty expenses incurred	(122		)	(20		)	(259		)	(20		)
Ending balance	$	199		$	61		$	199		$	61