Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Basis of presentation, principles of consolidation and significant accounting policies- Narratives (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
shares
Sep. 30, 2018
shares
Sep. 30, 2019
USD ($)
segment
shares
Sep. 30, 2018
shares
Dec. 31, 2018
USD ($)
Accounting Policies [Abstract]          
Number of operating segments | segment     1    
Accumulated deficit $ (35,763)   $ (35,763)   $ (26,356)
Vendor prepayment and deposits, expansion of production commitments 1,700   1,700    
Accumulated depreciation $ 200   $ 200   $ 100
Anti-dilutive securities (in shares) | shares 14,700,000 6,500,000 11,300,000 5,000,000.0