Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Warrants (Details)

v3.21.1
Stockholders' Equity - Warrants (Details)
Mar. 31, 2021
$ / shares
shares
Class of Warrant or Right [Roll Forward]  
Warrants Outstanding December 31, 2020 5,996,112
Warrants Outstanding March 31, 2021 5,996,112
2020 Convertible Note warrants  
Class of Warrant or Right [Roll Forward]  
Exercise price per share (in dollars per share) | $ / shares $ 2.25
Warrants Outstanding December 31, 2020 2,160,000
Warrants Outstanding March 31, 2021 2,160,000
Common stock warrant (Series D-1)  
Class of Warrant or Right [Roll Forward]  
Exercise price per share (in dollars per share) | $ / shares $ 5.54
Warrants Outstanding December 31, 2020 14,866
Warrants Outstanding March 31, 2021 14,866
Common stock warrants (Series F)  
Class of Warrant or Right [Roll Forward]  
Exercise price per share (in dollars per share) | $ / shares $ 9.22
Warrants Outstanding December 31, 2020 377,402
Warrants Outstanding March 31, 2021 377,402
Public Warrants (PHUNW)  
Class of Warrant or Right [Roll Forward]  
Exercise price per share (in dollars per share) | $ / shares $ 11.50
Warrants Outstanding December 31, 2020 1,761,291
Warrants Outstanding March 31, 2021 1,761,291
Private Placement Warrants  
Class of Warrant or Right [Roll Forward]  
Exercise price per share (in dollars per share) | $ / shares $ 11.50
Warrants Outstanding December 31, 2020 1,658,381
Warrants Outstanding March 31, 2021 1,658,381
Unit Purchase Option Warrants  
Class of Warrant or Right [Roll Forward]  
Exercise price per share (in dollars per share) | $ / shares $ 11.50
Warrants Outstanding December 31, 2020 24,172
Warrants Outstanding March 31, 2021 24,172