Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 29, 2018

Accounting Policies [Abstract]

Reconciliation of Changes in Deferred Revenue

A reconciliation of the changes in the Company’s deferred revenue balance for the nine months ended September 29, 2018 and September 30, 2017 is as follows:

	Nine Months Ended
	September 29, 2018			September 30, 2017
Balance, beginning of period	$	2,520		$	1,383
Additions to deferral		1,426			981
Revenue recognized		(1,729	)		(961	)
Balance, end of period	$	2,217		$	1,403

Reconciliation of Changes in Warranty Liability

A reconciliation of the changes in the Company’s warranty liability for the nine months ended September 29, 2018 and September 30, 2017 is as follows:

	Nine Months Ended
	September 29, 2018			September 30, 2017
Balance, beginning of period	$	1,735		$	603
Accruals for product warranties		298			319
Cost of warranty claims		(1,201	)		(240	)
Balance, end of period	$	832		$	682