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Balance Sheet Components - Accrued and Other Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Accrued and Other Liabilities |  |
Accrued clinical trial related | $ 1,617 | $ 376
Accrued Manufacturing Expense | 955 | 12
Personnel related | 526 | 305
Deferred rent | 378 | 223
Accrued legal and accounting | 255 | 314
Accrued construction in progress costs |  | 101
Other accrued expenses | 313 | 164
Accrued Liabilities and Other Liabilities, Total | $ 4,044 | $ 1,495

X
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