Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Net Sales Related to Key Product Lines, Distribution Channels, and Geographic Regions

The percentage of net sales related to the Company’s key product lines for the years ended December 31, 2019, 2018, and 2017, was approximately as follows:

	For the Years Ended December 31,
	2019	2018	2017
Protection (screen protection and cases)	52%	57%	48%
Power (power management and power cases)	36%	32%	41%
Audio	5%	5%	5%
Productivity (keyboards and other)	7%	6%	6%

The percentage of net sales related to the Company’s key distribution channels for the years ended December 31, 2019, 2018, and 2017, was approximately as follows:

	For the Years Ended December 31,
	2019	2018	2017
Indirect	87%	88%	89%
Website	8%	8%	8%
Franchisees	5%	4%	3%

The percentage of net sales related to the Company’s key geographic regions for the years ended December 31, 2019, 2018, and 2017, was approximately as follows:

	For the Years Ended December 31,
	2019	2018	2017
United States	77%	84%	84%
Europe	13%	9%	9%
Other	10%	7%	7%

Schedule of Receivables, Right of Return Assets, Contract Liabilities, Refund Liabilities, and Warranty Liabilities

The following table provides information about receivables, right of return assets, contract liabilities, refund liabilities, and warranty liabilities from the Company's contracts with customers as of December 31, 2019 and 2018:

	December 31, 2019		December 31, 2018
Receivables, which comprises the balance in accounts receivable, net of allowances	$	142,804	$	156,667
Right of return assets, which are included in prepaid expenses and other current assets	2,177		999
Refund liabilities, which are included in sales return liability	39,790		49,786
Warranty liabilities, which are included in sales return liability	4,063		4,646
Contract liabilities, which are included in accrued liabilities	39		96

Schedule of Warrant Liabilities Activity

The following summarizes the activities in the Company’s warranty liabilities for the year ended December 31, 2019 and 2018:

	December 31, 2019		December 31, 2018
Balance at beginning of year	$	4,646	$	4,189
Additions	11,047		14,292
Warranty claims charged	(11,629)		(13,836)
Foreign currency translation gain	(1)		1
Balance at end of year	$	4,063	$	4,646