Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Basis of presentation, principles of consolidation and significant accounting policies - Narrative (Details)
shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
shares
Jun. 30, 2019
USD ($)
shares
Jun. 30, 2020
USD ($)
segment
shares
Jun. 30, 2019
USD ($)
shares
Dec. 31, 2019
USD ($)
Accounting Policies [Abstract]          
Number of operating segments | segment     1    
Accumulated deficit $ 50,882,000   $ 50,882,000   $ 39,561,000
Vendor prepayment and deposits, expansion of production commitments 1,100,000   1,100,000   1,500,000
Impairment of intangible assets 0 $ 0 0 $ 0  
Accumulated depreciation $ 400,000   $ 400,000   $ 300,000
Anti-dilutive securities (in shares) | shares 21.2 12.3 19.8 9.5