Balance Sheet Components
|3 Months Ended|
Mar. 31, 2019
|Organization, Consolidation and Presentation of Financial Statements [Abstract]|
|Supplemental Balance Sheet Disclosures [Text Block]||
Inventories (in thousands):
Property and equipment, net (in thousands):
Depreciation and amortization expense for the three months ended March 31, 2019 and 2018 was $14,000 and $10,000, respectively.
Accrued liabilities (in thousands):
The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef