Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Information - Schedule of accrued employee benefits (Details)

v3.19.3
Selected Balance Sheet Information - Schedule of accrued employee benefits (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Organization, Nature of Operations and Basis of Presentation    
Accrued bonus expense $ 524 $ 907
Accrued vacation expense 95 118
Accrued severance 0 307
Total $ 619 $ 1,332