Annual report pursuant to Section 13 and 15(d)

Selected Balance Sheet Information (Details)

v3.10.0.1
Selected Balance Sheet Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Other Current Assets [Line Items]    
Prepaid insurances $ 419 $ 351
Prepaid consulting, subscriptions and other expenses 132 290
Prepaid conferences, travel 42 94
Prepaid clinical research organizations 0 46
Clinical consulting services refund receivable 0 46
Total $ 593 $ 827