Annual report pursuant to Section 13 and 15(d)

Balance Sheets Details - Accrued Liabilities (Details)

v3.19.3.a.u2
Balance Sheets Details - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Balance Sheet Related Disclosures [Abstract]    
Accrued purchases $ 4,386 $ 1,492
Accrued professional and outside service fees 1,802 2,020
Deferred rent   343
Lease incentive obligation 0 425
Other 352 575
Total $ 6,540 $ 4,855