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BALANCE SHEET COMPONENTS (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Accrued payroll and employee related expenses $ 1,054 $ 1,581
Legal and related services 860 927
Clinical related 500 614
Manufacturing related 289 437
Deferred rent 512 422
Accrued other 114 124
Accrued expenses $ 3,329 $ 4,105