Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Information (Details 2)

v3.7.0.1
Selected Balance Sheet Information (Details 2) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Accrued Expenses [Line Items]    
Accrued clinical consulting services $ 1,812 $ 2,211
Accrued vendor payments 280 400
Accrued manufacturing expense 38 14
Other accrued expenses 4 2
Total $ 2,134 $ 2,627