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

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Allowance For Credit Losses

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Beginning balance	$	213	$	141	$	445	$	—
Provisions	78		149		114		290
Write-offs	(77)		—		(345)		—
Ending balance	$	214	$	290	$	214	$	290

Schedule of Warranty Reserve

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Beginning balance	$	169	$	305	$	232	$	403
Provisions (reversals), net	(31)		72		(41)		72
Warranty cost incurred	(17)		(40)		(70)		(138)
Ending balance	$	121	$	337	$	121	$	337

For the three and nine months ended September 30, 2021 the Company incurred less expense than the estimated provision amount which resulted in a net benefit.