Balance Sheets Components

9 Months Ended

Sep. 30, 2020

Balance Sheet Related Disclosures [Abstract]

Balance Sheets Components

Note 4. Balance Sheet Components

Accounts Receivable, net

Accounts receivable, net consisted of the following:

	As of
	September 30, 2020			December 31, 2019
	(in thousands)
Accounts receivables, gross	$	17,274		$	17,788
Allowance for doubtful accounts		(50	)		(129	)
Accounts receivables, net	$	17,224		$	17,659

Inventory

Inventory consisted of the following:

	As of
	September 30, 2020		December 31, 2019
	(in thousands)
Raw materials	$	1,382	$	304
Work in progress		11,937		8,160
Finished goods		1,889		3,447
Total inventories	$	15,208	$	11,911

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

	As of
	September 30, 2020		December 31, 2019
	(in thousands)
Advance to suppliers	$	—	$	3,338
Prepaid expenses		1,921		1,279
Other current assets		1,054		984
Total prepaid and other current assets	$	2,975	$	5,601

Property and Equipment, Net

Property and equipment, net consisted of the following:

	As of
	September 30, 2020			December 31, 2019
	(in thousands)
Lab Equipment	$	20,706		$	17,376
Computer Equipment		1,028			800
Furniture and fixtures		241			241
Construction in Progress		921			221
Leasehold improvements		4,086			4,074
		26,982			22,712
Accumulated depreciation		(16,123	)		(13,424	)
Total property and equipment, net	$	10,859		$	9,288

Depreciation expense related to property and equipment was $1.0 million, $2.7 million, $0.9 million, and $2.4million for the three and nine months ended September 30, 2020 and 2019, respectively.

Intangible Assets, Net

Intangible assets, net consisted of the following:

	As of
	September 30, 2020			December 31, 2019
	(in thousands)
Internal use software	$	9,338		$	10,022
Purchased intangibles		5,334			4,793
		14,672			14,815
Accumulated amortization		(12,569	)		(10,326	)
Intangible assets, net	$	2,103		$	4,489

Amortization expense for intangible assets was $0.3 million, $2.3 million, $1.2 million, and $3.7million for the three and nine months ended September 30, 2020 and 2019, respectively. In the three and nine months ended September 30, 2020 the Company recorded impairment charges of $0.8 million and $1.0 million respectively, related to capitalized cost of software that was within the development phase and was being developed solely to meet the Company’s internal needs. The related product for which the software was developed to support in production was abandoned as the Company changed its roadmap and improved the final desired technical specifications required of the new product. Accordingly, it was no longer probable that the software project will be completed and placed into service. The impairment charge was recorded as research and development expense in the condensed consolidated statement of operations.

As of September 30, 2020, the Company had $0.7million of intangibles that were still in development stage and were not being amortized. The estimated aggregate future amortization expense for intangible assets in development stage and subject to amortization as of September 30, 2020 is summarized as below:

	(in thousands)
2020 (remainder)	$	317
2021		1,177
2022		469
2023		140
	$	2,103

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

	As of
	September 30, 2020		December 31, 2019
	(in thousands)
Accrued payroll and related benefits	$	3,963	$	1,880
Price adjustment and other revenue reserves		1,789		1,222
Short term lease liability		1,243		1,874
Other accrued expenses		3,097		3,466
Total accrued expenses and other current liabilities	$	10,092	$	8,442