Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share

Earnings Per Share
6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]  
Basic loss per share of common stock is calculated by dividing net loss by the weighted-average shares outstanding for the period. Potentially dilutive shares, which are based on the weighted-average shares of common stock underlying outstanding stock-based awards and warrants using the treasury stock method, and convertible notes using the if-converted method, are included when calculating the diluted net loss per share of common stock when their effect is dilutive.

The following table presents the potentially dilutive shares that were excluded from the computation of diluted net loss per share of common stock, because their effect was anti-dilutive:

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
Stock-based awards and warrants 6,765,581  3,827,804  6,765,581  3,827,804 
Convertible notes(1)
7,833,666  5,667,328  7,833,666  5,667,328 

(1) Represents shares issued in exchange of convertible notes in April 2022. See Note 5, Debt, for additional information regarding shares issued subsequent to the date of the Condensed Consolidated Financial Statements.