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

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Schedule of Product Warranty Reserve Activity

Warranty reserve activity for the three months ended March 31, 2019 and 2018 is as follows (in thousands):

	Three Months Ended
	March 31,			March 31,
	2019			2018
Beginning balance	$	215		$	192
Provisions	70			121
Warranty incurred	(79		)	(137		)
Ending balance	$	206		$	176