SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Major Vendor (Details) - Supplier Concentration Risk  | 
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
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Sep. 30, 2024  | 
Sep. 30, 2023  | 
Sep. 30, 2024  | 
Sep. 30, 2023  | 
Dec. 31, 2023  | 
Dec. 31, 2022  | 
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| Research and development expenditures | Major vendors, combined | ||||||
| Concentration | ||||||
| Concentration Risk (as a percent) | 44.00% | 59.00% | 44.00% | 66.00% | ||
| Research and development expenditures | Vendor One | ||||||
| Concentration | ||||||
| Concentration Risk (as a percent) | 63.00% | 55.00% | ||||
| Accounts payable and accrued expense | Major vendors, combined | ||||||
| Concentration | ||||||
| Concentration Risk (as a percent) | 65.00% | 54.00% | ||||
| Accounts payable and accrued expense | Vendor One | ||||||
| Concentration | ||||||
| Concentration Risk (as a percent) | 53.00% | 56.00% | ||||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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