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

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Allowance For Credit Losses

The allowance for credit losses for the three and six months ended June 30, 2021 and 2020 is comprised of the following (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Beginning balance	$	209	$	110	$	445	$	—
Provisions	7		(12)		38		98
Write-offs	(3)		43		(270)		43
Recoveries	—		—		—		—
Ending balance	$	213	$	141	$	213	$	141

Schedule of Warranty Reserve

Warranty reserve activity for the three and six months ended June 30, 2021 and 2020 is as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Beginning balance	$	184	$	342	$	232	$	403
Provisions	12		—		(10)		—
Warranty cost incurred	(27)		(37)		(53)		(98)
Ending balance	$	169	$	305	$	169	$	305