Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Details)

v3.22.1
Stockholders' Equity - Additional Information (Details) - shares
Mar. 31, 2022
Dec. 31, 2021
Feb. 28, 2021
Class Of Stock [Line Items]      
Common stock, reserved for future issuance 3,108,000 2,739,000  
2021 Inducement Plan      
Class Of Stock [Line Items]      
Shares available for grant     300,000
Common stock, reserved for future issuance [1] 47,000 81,000  
2016 Equity Incentive Plan      
Class Of Stock [Line Items]      
Common stock, reserved for future issuance [2] 491,000 332,000  
2016 Equity Incentive Plan | NimbeLink      
Class Of Stock [Line Items]      
Common stock, reserved for future issuance 22,871    
[1] On February 5, 2021, 300,000 shares were authorized pursuant to the terms of the Inducement Plan; 38,000 shares were issued under the Inducement Plan during the three months ended March 31, 2022.
[2] On January 1, 2022, the number of authorized shares in the 2016 Plan increased by 404,000 shares pursuant to the evergreen provisions of the 2016 Plan.