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Balance Sheet Details
9 Months Ended
Sep. 30, 2020
Balance Sheet Related Disclosures [Abstract]  
Balance Sheet Details

Note 4. Balance Sheet Details

Inventory and other deferred costs consist of the following (in thousands):

 

 

 

September 30,

 

 

December 31,

 

 

 

2020

 

 

2019

 

Raw materials

 

$

2,635

 

 

$

1,424

 

Other deferred costs

 

 

3,633

 

 

 

3,182

 

Total inventory and other deferred costs

 

$

6,268

 

 

$

4,606

 

 

Property and equipment. Depreciation and amortization expense for the three months ended September 30, 2020 and 2019 was $1.5 million and $1.2 million, respectively, and for the nine months ended September 30, 2020 and 2019 was $4.3 million and $3.4 million, respectively. Accumulated depreciation and amortization was $13.1 million and $9.1 million as of September 30, 2020 and December 31, 2019, respectively.

Accrued and other current liabilities consist of the following (in thousands):

 

 

 

September 30,

 

 

December 31,

 

 

 

2020

 

 

2019

 

Accrued compensation

 

$

5,432

 

 

$

4,147

 

Operating lease liabilities

 

 

2,302

 

 

 

1,361

 

Accrued liabilities

 

 

343

 

 

 

689

 

Accrued taxes

 

 

46

 

 

 

210

 

Other current liabilities

 

 

674

 

 

 

241

 

Total accrued and other current liabilities

 

$

8,797

 

 

$

6,648