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

6 Months Ended

Jun. 30, 2019

Accounting Policies [Abstract]

Schedule of Product Warranty Reserve Activity

Warranty reserve activity for the three and six months ended June 30, 2019 and 2018 is as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,			June 30,			June 30,			June 30,
	2019			2018			2019			2018
Beginning balance	$	206		$	176		$	215		$	192
Provisions	—			145			70			266
Warranty incurred	(10		)	(122		)	(89		)	(259		)
Ending balance	$	196		$	199		$	196		$	199