Quarterly report pursuant to Section 13 or 15(d)

Basis of presentation, principles of consolidation and significant accounting policies- Narratives (Details)

v3.19.1
Basis of presentation, principles of consolidation and significant accounting policies- Narratives (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
segment
Dec. 31, 2018
USD ($)
Accounting Policies [Abstract]    
Number of operating segments | segment 1  
Accumulated deficit $ (30,397) $ (26,356)
Accumulated depreciation $ 140 $ 93