Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of changes in fair value of the Company's derivative liability measured at fair value using significant unobservable inputs (Level 3) (Details)

v3.20.2
Fair Value Measurements - Summary of changes in fair value of the Company's derivative liability measured at fair value using significant unobservable inputs (Level 3) (Details) - Derivative [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Beginning balance $ 387 $ 0 $ 387  
Additions   216 0 $ 216
Change in fair value   171 0 171
Ending balance $ 387 $ 387 $ 387 $ 387