Summary of Significant Accounting Policies and Nature of Operations (Tables)

12 Months Ended

Dec. 29, 2018

Accounting Policies [Abstract]

Schedule of the future estimated annual amortization expense

The following table summarizes the future estimated annual amortization expense for these assets over the next five years and thereafter:

2019	$	100
2020		100
2021		100
2022		100
2023		23
Thereafter		42
Total	$	465

Allowance for Sales Returns and Allowance for Doubtful Accounts

The following table provides an analysis of the allowance for sales returns and the allowance for doubtful accounts (in thousands):

			Charged to
	Balance at		Revenue,				Balance at
	Beginning		Cost or				End of
	of Period		Expenses		Deductions		Period
Fifty-Two Weeks Ended December 29, 2018
Allowance for sales returns	$	861	$	19,691	$	(19,255)	$	1,297
Allowance for doubtful accounts		1		66		(46)		21
Fifty-Two Weeks Ended December 30, 2017
Allowance for sales returns	$	937	$	21,837	$	(21,913)	$	861
Allowance for doubtful accounts		36		19		(54)		1

Aggregate Warranty Liabilities

For the fiscal year 2018 and 2017, the activity in the aggregate warranty liabilities was as follows (in thousands):

	December 29, 2018		December 30, 2017
Warranty liabilities, beginning of period	$	1,410	$	889
Additions to warranty liabilities		597		963
Reductions to warranty liabilities		(587)		(442)
Warranty liabilities, end of period	$	1,420	$	1,410