Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Schedule of Inventory

Inventory consists of the following:

	March 31,		December 31,
	2019		2018
	(in thousands)
Raw material	$	1,915	$	1,084
Work in progress		1,103		634
Finished goods		2,643		2,313
Consigned inventory		1,353		1,100
Total inventory	$	7,014	$	5,131

Schedule of Accrued Liabilities

Accrued liabilities consist of the following:

	March 31,		December 31,
	2019		2018
	(in thousands)
Accrued employee compensation	$	2,965	$	3,135
Accrued research and development costs		1,736		1,115
Accrued professional services		713		1,391
Other		1,025		576
Total accrued liabilities	$	6,439	$	6,217