Balance Sheet Details

6 Months Ended

Jun. 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):

	June 30,		December 31,
	2020		2019
Raw materials	$	3,252	$	1,424
Other deferred costs		3,272		3,182
Total inventory and other deferred costs	$	6,524	$	4,606

Property and equipment. Depreciation and amortization expense for the three months ended June 30, 2020 and 2019 was $1.4 million and $1.1 million, respectively, and for the six months ended June 30, 2020 and 2019 was $2.8 million and $2.2 million, respectively. Accumulated depreciation and amortization was $11.6 million and $9.1 million as of June 30, 2020 and December 31, 2019, respectively.

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

	June 30,		December 31,
	2020		2019
Accrued compensation	$	3,870	$	4,147
Operating lease liabilities		2,107		1,361
Accrued taxes		37		210
Accrued liabilities		297		689
Other current liabilities		283		241
Total accrued and other current liabilities	$	6,594	$	6,648