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Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2020

Balance Sheet Related Disclosures [Abstract]

Components of Accounts Receivable, Net

The components of accounts receivable, net are as follows (in thousands):

		December 31,				September 30,
		2019				2020
						(unaudited)
Trade accounts receivable		$	58,774			$	54,322
Other receivables			434				454
Total receivables			59,208				54,776
Less: Allowance for credit losses			(580	)			(910	)
Receivables, net		$	58,628			$	53,866

Schedule of Allowance for Credit Losses Activity

The allowance for credit losses activity was as follows (in thousands):

		Year ended December 31,				Nine months ended September 30,
		2019				2020
						(unaudited)
Beginning balance		$	503			$	580
Increase, charged to expense			333				210
Recoveries			(204	)			(71	)
Provision for late fee charges			—				191
Amounts written-off			(52	)			—
Ending balance		$	580			$	910

Schedule of Inventories, Net

Inventories, net consisted of the following (in thousands):

		December 31,				September 30,
		2019				2020
						(unaudited)
Finished goods		$	42,402			$	29,046
Raw materials			4,227				5,900
Gross inventory			46,629				34,946
Less: Excess and obsolete provision			(4,959	)			(5,892	)
Inventories, net		$	41,670			$	29,054

Schedule of Inventory Excess and Obsolete Provision

The following table reflects the activity in the Company’s inventory excess and obsolete provision (in thousands):

		Year ended December 31,				Nine months ended September 30,
		2019				2020
						(unaudited)
Beginning balance		$	3,950			$	4,959
Inventory written off			(149	)			(1,537	)
Increase in excess and obsolete provision			1,158				2,470
Ending balance		$	4,959			$	5,892

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

		December 31,				September 30,
		2019				2020
						(unaudited)
Accrued goods and services		$	8,364			$	8,436
Accrued inventory purchases			3,094				4,261
Accrued customer rebates			3,569				7,064
Other			7				10
Accrued liabilities		$	15,034			$	19,771

Schedule of Change to Accrued Warranty

Provisions for warranty claims are primarily related to our hardware products and are recorded at the time products are sold. The change to accrued warranty was as follows (in thousands):

		Year ended December 31,				Nine months ended September 30,
		2019				2020
						(unaudited)
Beginning balance		$	488			$	706
Warranties assumed due to acquisition			180				1,174
Fulfillment of assumed acquisition warranty			—				(387	)
Provision increase, net			38				282
Ending balance		$	706			$	1,775

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Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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