Quarterly report pursuant to Section 13 or 15(d)

Fair value measurements (Narrative) (Details)

v3.19.3
Fair value measurements (Narrative) (Details) - shares
1 Months Ended 9 Months Ended
Jun. 27, 2019
Sep. 30, 2019
Fair Value Disclosures [Abstract]    
Conversion of notes into shares 1,813,500 1,813,500