EQUITY INCENTIVE PLAN - Summary of Stock Options Granted (Details) - Hyperfine Plan - shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Stock options granted | 8,685,663 | 6,771,237 |
| Employee | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Stock options granted | 7,901,501 | 3,534,844 |
| Nonemployee | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Stock options granted | 784,162 | 3,236,393 |