Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Information - Schedule of prepaid expenses and other current assets (Details)

v3.19.2
Selected Balance Sheet Information - Schedule of prepaid expenses and other current assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Selected Balance Sheet Information    
Prepaid manufacturing expense $ 1,001 $ 0
Prepaid insurance 197 419
Prepaid consulting, subscriptions and other expenses 96 132
Other receivable 4 0
Prepaid conferences, travel 0 42
Total $ 1,298 $ 593