Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Information (Details)

v3.7.0.1
Selected Balance Sheet Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Other Current Assets [Line Items]    
Prepaid clinical research organizations expense $ 2,224 $ 1,677
Prepaid travel and conference expenses 397 295
Prepaid manufacturing expenses 330 0
Prepaid insurances 240 358
Other current assets 175 185
Total $ 3,366 $ 2,515