Consolidated Statements of Stockholders’ Equity (Parenthetical) - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Stock issuance costs | $ 360 | $ 742 |
Follow on Public Offering | ||
Stock issuance costs | 44 | 770 |
At the Market Offering | ||
Stock issuance costs | $ 211 | $ 265 |