Annual report pursuant to Section 13 and 15(d)

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

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Selected Balance Sheet Information - Schedule of prepaid expenses and other current assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Selected Balance Sheet Information    
Prepaid manufacturing expenses $ 622 $ 0
Prepaid insurance 549 419
Prepaid consulting, subscriptions and other expenses 134 132
Prepaid clinical research organizations 48 0
Prepaid conferences, travel 25 42
Other receivable 3 0
Total $ 1,381 $ 593