SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Useful lives of property and equipment (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2022 | |
| Laboratory Equipment | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Research Devices | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Sales and Marketing Devices | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Computer Equipment | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Tooling | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 3 years |
| Trade Show Assets | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 3 years |
| Leased Devices | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 5 years |
| Other | Minimum | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 3 years |
| Other | Maximum | |
| Property Plant And Equipment [Line Items] | |
| Estimated useful life | 7 years |