v3.23.1
EQUITY INCENTIVE PLAN - Additional Information (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Sep. 26, 2022
$ / shares
Jun. 27, 2022
USD ($)
Apr. 26, 2022
Installment
shares
Dec. 31, 2021
USD ($)
Option
$ / shares
shares
Dec. 31, 2022
USD ($)
Option
shares
Dec. 31, 2022
USD ($)
Option
$ / shares
shares
Dec. 31, 2021
USD ($)
Option
$ / shares
shares
Jul. 29, 2022
shares
Dec. 31, 2020
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option repricing approved date Aug. 24, 2022                
Option repricing effected date Oct. 31, 2022                
Tax benefits related to stock options exercise | $           $ 0 $ 0    
Vesting period           4 years      
Stock-based compensation expense incremental fair of the modified awards | $         $ 143,000        
Stock-based compensation expense | $           $ 10,652,000 6,901,000    
Stock-based compensation expense | $   $ 4,501,000       10,652,000 6,901,000    
Cash proceeds from exercise of stock options | $           7,000 $ 1,497,000    
Incremental value as a result of the modification of the awards | $           0      
Incremental compensation expense recognized as a result of the modification | $           0      
Total unrecognized stock-based compensation expense | $         $ 10,074,000 $ 10,074,000      
Remaining vesting period           2 years 10 months 2 days      
Number of vesting installments | Installment     4            
Vested Options Post-Termination                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Options exercisable         346,028 346,028      
Chief Executive Officer                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares           474,875 949,750    
Vesting period           5 years      
Number of separate option awards | Option       2     2    
Executive Chairman                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares           474,874      
Number of separate option awards | Option         2 2      
Stock Option Grants                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting of unvested awards         90,003        
Stock-based compensation expense | $           $ 904,000 $ 1,772,000    
Expected annual equity volatility             70.00%    
Total unrecognized stock-based compensation expense | $         $ 7,357,000 $ 7,357,000      
Remaining vesting period           2 years 10 months 20 days      
Stock Option Grants | Chief Executive Officer                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Unvested, Number of Shares               3,124,252  
Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting of unvested awards         33,281        
Vesting period       3 years   4 years      
Stock-based compensation expense | $           $ 4,243,000 $ 9,000    
Restricted stock units ("RSU") granted       117,516   2,493,335 117,516    
Grant date fair value per share | $ / shares           $ 3.34 $ 9.19    
Total grant date fair value | $       $ 1,080,000   $ 8,316,000      
Aggregate fair market value | $           $ 491,000      
Total grant date fair value recognized period       3 years   4 years      
Restricted Stock Units | Chief Executive Officer                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting period           4 years      
Restricted stock units ("RSU") granted     649,350     150,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Unvested, Number of Shares               150,000  
Incentive Unit Grants                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting period           4 years      
Repurchase right valid period           18 months      
Incentive Unit Awards and Replacement Preferred Stock Awards                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Expected annual equity volatility             55.00%    
Earn-Out Shares                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Stock-based compensation expense | $           $ 2,926,000 $ 288,000    
Expected annual equity volatility             54.50%    
Number of shares entitle to certain employees           0 933,933    
Expected term           3 years 3 years    
Stock Options One | Chief Executive Officer                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares           300,000      
Vesting period           4 years      
Stock Option Repricing Service Condition                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Stock-based compensation expense | $           $ 1,460,000      
Stock Option Repricing Vested Shares                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Stock-based compensation expense | $           $ 456,000      
Maximum | Stock Option Grants                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Expected annual equity volatility           56.00%      
Expected term [1]           7 years 6 months 6 years 2 months 1 day    
Minimum | Stock Option Grants                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Expected annual equity volatility           49.00%      
Expected term [1]           6 months 3 days 5 years 4 months 24 days    
Class A Common Stock | Chief Executive Officer                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares         3,175,000   1,899,500    
Vesting period         4 years   4 years    
Class A Common Stock | Executive Chairman                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares           712,312      
Vesting period           4 years      
Class A Common Stock | Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Grant date fair value per share | $ / shares       $ 9.19          
Class A Common Stock | Stock Options One | Executive Chairman                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares           237,437      
Class A Common Stock | Two Separate Option Awards | Chief Executive Officer                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares             474,875    
Class A Common Stock | Stock Option Repricing                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Outstanding options         5,378,308 5,378,308      
Grant date fair value per share | $ / shares $ 0.91                
Class A Common Stock | Stock Option Repricing Service Condition                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Outstanding options         4,903,434 4,903,434      
Class A Common Stock | Stock Option Repricing Market and Performance Based Condition                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Outstanding options         474,874 474,874      
Stock-based compensation expense | $           $ 1,000      
Class A Common Stock | Maximum | Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Grant date fair value per share | $ / shares           $ 3.85      
Class A Common Stock | Maximum | Stock Option Repricing                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Grant date fair value per share | $ / shares 5.24                
Class A Common Stock | Minimum | Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Grant date fair value per share | $ / shares           $ 0.78      
Class A Common Stock | Minimum | Stock Option Repricing                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Grant date fair value per share | $ / shares $ 1.28                
Employee                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Stock-based compensation expense | $           $ 3,483,000 $ 6,604,000    
Employee | Stock Option Grants                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Expected term           6 months 3 days      
Hyperfine Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Common stock, capital shares reserved for future issuance         16,013,762 16,013,762      
Increased number of shares available for grant           2,813,293      
Common stock shares outstanding percentage         4.00% 4.00%      
Common stock remain available for issuance         6,522,133 6,522,133      
Options exercisable         3,442,085 3,442,085      
Outstanding options       7,522,136 10,719,564 10,719,564 7,522,136   1,903,479
Option award to purchase shares           8,685,663 6,771,237    
Total intrinsic value of stock options exercised | $           $ 47,000 $ 2,752,000    
Weighted-average grant date fair value of options granted | $ / shares           $ 0.62 $ 0.66    
Expected annual equity volatility             70.00%    
Hyperfine Plan | Service and Performance Shares                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares             258,833    
Hyperfine Plan | Employee                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Option award to purchase shares           7,901,501 3,534,844    
Hyperfine Plan | Restricted Stock Units | Chief Executive Officer                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Restricted stock units ("RSU") granted     649,350            
4Bionics Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Stock-based compensation expense | $             $ 578,000    
[1] Expected term of 0.51 years related to certain employee award granted and forfeited within approximately six months.