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Balance Sheet Components (Tables)
 9 Months Ended
Sep. 30, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]  
Schedule of supplemental balance sheet disclosures

The following table provides details relating to certain balance sheet line items as of September 30, 2018, and December 31, 2017:

 

 

 

As of

 

 

 

September 30,

2018

 

 

December 31,

2017

 

 

 

(in thousands)

 

Inventories:

 

 

 

 

 

 

 

 

Work-in-process

 

$

3,092

 

 

$

2,894

 

Finished goods

 

 

998

 

 

 

665

 

 

 

$

4,090

 

 

$

3,559

 

Other current assets:

 

 

 

 

 

 

 

 

Prepaid expenses

 

$

853

 

 

$

836

 

Other

 

 

234

 

 

 

161

 

 

 

$

1,087

 

 

$

997

 

Property and equipment:

 

 

 

 

 

 

 

 

Equipment

 

$

10,700

 

 

$

10,996

 

Software

 

 

2,788

 

 

 

3,139

 

Furniture and fixtures

 

 

42

 

 

 

46

 

Leasehold improvements

 

 

683

 

 

 

674

 

 

 

 

14,213

 

 

 

14,855

 

Less: Accumulated depreciation and amortization

 

 

(12,525

)

 

 

(12,480

)

 

 

$

1,688

 

 

$

2,375

 

Accrued liabilities:

 

 

 

 

 

 

 

 

Employee related accruals

 

$

1,541

 

 

$

1,143

 

Other

 

 

677

 

 

 

510

 

 

 

$

2,218

 

 

$

1,653