Quarterly report pursuant to Section 13 or 15(d)

Common stock and warrants - Schedule of FedEx Warrant activity (Details)

v3.23.1
Common stock and warrants - Schedule of FedEx Warrant activity (Details) - Fedex Warrants [Member]
3 Months Ended
Mar. 31, 2023
shares
Class of Warrant or Right [Line Items]  
Outstanding at December 31, 2022 23,988,085
Granted 0
Vested 0
Outstanding and unvested March 31, 2023 23,988,085