

	December 28, 2019			September 28, 2019
(In thousands)
Accounts receivable	$	188,910		$	124,049
Allowance for doubtful accounts	(1,372		)	(1,255		)
Allowance for sales incentives	(51,636		)	(20,051		)
Accounts receivable, net of allowances	$	135,902		$	102,743



	December 28, 2019		September 28, 2019
(In thousands)
Finished goods	$	104,348	$	207,723
Component parts	8,769		12,061
Inventories	$	113,117	$	219,784

The Company writes down inventory as a result of excess and obsolete inventories, or when it believes that the net realizable value of inventories is less than the carrying value.

The following table presents details of our goodwill during the three months ended December 28, 2019:



(In thousands)
Balance as of September 28, 2019	$	1,005
Goodwill acquired	14,282
Balance as of December 28, 2019	$	15,287

As part of the acquisition of Snips, the Company recognized a $20.1 million intangible asset related to in-process research and development activity, which is not subject to amortization for the current period. In addition, the Company recognized $5.1 million in intangible assets subject to amortization, with a weighted-average useful life of approximately 5.0 years.

The following table summarizes estimated future amortization expense of our intangible assets as of December 28, 2019:



Fiscal years	(In thousands)
Remaining part of 2020	$	910
2021	1,040
2022	1,022
2023	1,020
2024	1,020
2025 and thereafter	128
Total future amortization expense	$	5,140



	December 28, 2019		September 28, 2019
(In thousands)
Accrued advertising and marketing	$	31,205	$	25,662
Accrued taxes	13,041		4,388
Accrued inventory	8,600		6,494
Accrued manufacturing, logistics and product development	21,729		14,783
Accrued general and administrative expenses	8,615		12,455
Other accrued payables	7,632		6,074
Total accrued expenses	$	90,822	$	69,856

Amounts invoiced in advance of revenue recognition are recorded as deferred revenue on the condensed consolidated balance sheets. Deferred revenue primarily relates to revenue allocated to unspecified software upgrades and platform services. The following table presents the changes in the Company’s deferred revenue for the three months ended December 28, 2019 and December 29, 2018:



	December 28, 2019			December 29, 2018
(In thousands)
Deferred revenue, beginning of period	$	56,449		$	50,967
Recognition of revenue included in beginning of period deferred revenue	(3,238		)	(2,986		)
Revenue deferred, net of revenue recognized on contracts in the respective period	8,435			7,472
Deferred revenue, end of period	$	61,646		$	55,453

The Company expects the following recognition of deferred revenue as of December 28, 2019:



	For the fiscal years ending
	2020		2021		2022		2023		2024 and Beyond		Total
(In thousands)
Deferred revenue expected to be recognized	$	11,085	$	13,384	$	11,537	$	9,609	$	16,031	$	61,646



	December 28, 2019		September 28, 2019
(In thousands)
Reserve for returns	$	22,631	$	12,110
Short-term operating lease liabilities	10,792		—
Product warranty liability	5,701		3,254
Other	1,428		2,184
Total other current liabilities	$	40,552	$	17,548

The following table presents the changes in the Company’s warranty liability for the three months ended December 28, 2019 and December 29, 2018:



	December 28, 2019			December 29, 2018
(In thousands)
Warranty liability, beginning of period	$	3,254		$	2,450
Provision for warranties issued during the period	5,080			5,105
Settlements of warranty claims during the period	(2,633		)	(2,581		)
Warranty liability, end of period	$	5,701		$	4,974