Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses (Details)

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Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Accrued Expenses [Line Items]    
Professional fees $ 83 $ 284
Consulting fees 967 832
License fees 0 421
Dividends 0 216
Salaries and employee benefits 156 105
Severance 307 0
Other 166 262
Total $ 1,679 $ 2,120