v3.23.1
EQUITY INCENTIVE PLAN - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Weighted Average Exercise Price      
Outstanding $ 1.34    
Hyperfine Plan      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding 7,522,136 1,903,479  
Granted 8,685,663 6,771,237  
Exercised (25,870) (565,533)  
Forfeited (5,462,365) (587,047)  
Outstanding 10,719,564 7,522,136 1,903,479
Options exercisable 3,442,085    
Vested and expected to vest 10,719,564    
Weighted Average Exercise Price      
Outstanding $ 3.21 $ 0.87  
Granted 2.43 3.37  
Exercised 0.26 2.65  
Forfeited 3.03 3.86  
Outstanding   $ 3.21 $ 0.87
Options exercisable 1.97    
Vested and expected to vest $ 1.34    
Weighted Average Remaining Contractual Term      
Outstanding   8 years 9 months 14 days 7 years 25 days
Options exercisable 8 years 8 months 15 days    
Vested and expected to vest 8 years 9 months    
Aggregate Intrinsic Value      
Outstanding   $ 30,052 $ 2,073
Options exercisable $ 124    
Vested and expected to vest $ 157