XML 87 R72.htm IDEA: XBRL DOCUMENT v3.22.4
Stockholders' Equity - Additional Information (Details) - USD ($)
$ / shares in Units, shares in Thousands
12 Months Ended
Apr. 18, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Feb. 21, 2019
Class Of Stock [Line Items]          
Common stock, par value   $ 0.001 $ 0.001    
Securities Purchase Agreement | Verizon Ventures LLC          
Class Of Stock [Line Items]          
Common stock, par value $ 0.001        
Purchase price per share $ 4.24        
Aggregate purchase price $ 39,530,000        
Issuance costs $ 160,000        
Private Placement | Securities Purchase Agreement | Verizon Ventures LLC          
Class Of Stock [Line Items]          
Aggregate stock purchased 9,323        
Common Stock          
Class Of Stock [Line Items]          
Stock repurchase program, common stock remaining authorized to be repurchased   $ 60,234      
Stock repurchase program, stock repurchased, shares   204 1,671 1,227  
Stock repurchase program, stock repurchased, value   $ 1,192,000 $ 8,819,000 $ 3,031,000  
Aggregate stock purchased   9,323      
Common Stock | Maximum          
Class Of Stock [Line Items]          
Stock repurchase program, common stock authorized to be repurchased         $ 75,000,000