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DEVELOPMENT PARTNER ARRANGEMENTS (Details) - Collaborative Arrangement, Transaction with Party to Collaborative Arrangement $ in Millions |  |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 23, 2020 USD ($) | Nov. 13, 2019 USD ($) | Dec. 13, 2018 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2022 USD ($) | Apr. 30, 2019 USD ($) | Oct. 16, 2015 phase employee
P&G |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |
Number of phases outlined by research and development agreement | phase |  |  |  |  |  |  |  | 3
Number of full-time employees to assist in execution of research and development activities, phase one | employee |  |  |  |  |  |  |  | 1
Number of full-time employees to assist in execution of research and development activities, phase two | employee |  |  |  |  |  |  |  | 2
Prepaid expenses and other non-current assets |  |  |  | $ 2.0 |  | $ 2.0 | $ 2.0 |
Impact |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |
Initial license fee |  | $ 2.5 |  |  |  |  |  |
Payment for license agreement |  |  |  | 1.6 | $ 0.9 |  |  |
Prepaid license fees, current |  |  |  | 0.2 |  | 0.2 |  |
Prepaid license fees, noncurrent |  |  |  | 2.3 |  | 2.1 |  |
Total |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |
Prepayment for block and release agreement | $ 5.0 |  |  |  |  |  |  |
Block and release agreement, capital funding, minimum requirement | 370.0 |  |  |  |  |  |  |
Escrow released | $ 5.0 |  |  |  |  |  |  |
Nestle |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |
Payment committed to fund further research and development |  |  | $ 1.0 |  |  |  |  |
Maximum funding convertible, percent |  |  | 50.00% |  |  |  |  |
Term loan obligation |  |  | 5 years |  |  |  |  |
Deferred revenue |  |  |  | $ 1.0 |  | $ 1.0 |  |

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