Annual report pursuant to Section 13 and 15(d)

Warrants to Purchase Common Stock

v3.22.1
Warrants to Purchase Common Stock
12 Months Ended
Dec. 31, 2021
Warrants to Purchase Common Stock [Abstract]  
Warrants to Purchase Common Stock 10. Warrants to Purchase Common Stock The following table summarizes investor warrant activity as of and for the years ended December 31, 2021 and 2020: Shares Weighted‎Average‎Exercise‎Price Weighted‎Average‎Remaining‎Contractual‎Term (Years)Outstanding at December 31, 2019 3,358,459 $ 1.23 1.27Granted 2,666,459 $ — —Exercised (2,900,959) $ — —Canceled/forfeited/expired (432,500) $ — —Outstanding at December 31, 2020 2,691,459 $ 1.99 2.94Granted 580,231 $ — —Exercised — $ — —Canceled/forfeited/expired (25,000) $ — —Outstanding at December 31, 2021 3,246,690 $ 2.26 3.59 We did not record any stock-based compensation expense for the years ended December 31, 2021 and 2020, respectively in connection with the exercise of investor-based warrants. Warrants Exercised in 2020 During year ending December 31, 2021 no warrants were exercized.