Quarterly report pursuant to Section 13 or 15(d)

DEVELOPMENT PARTNER ARRANGEMENTS (Details)

v3.21.2
DEVELOPMENT PARTNER ARRANGEMENTS (Details) - Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
$ in Thousands
9 Months Ended 12 Months Ended
Jun. 23, 2020
USD ($)
Nov. 13, 2019
USD ($)
Dec. 13, 2018
USD ($)
Sep. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Jul. 01, 2021
USD ($)
Jan. 01, 2021
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       $ 2,000 $ 2,000     $ 2,000  
Obligation to pay for services           $ 100 $ 500    
Impact                  
Research and Development Arrangement, Contract to Perform for Others [Line Items]                  
Initial license fee   $ 2,500              
Payment for license agreement       1,600 890        
Total                  
Research and Development Arrangement, Contract to Perform for Others [Line Items]                  
Prepayment for block and release agreement $ 5,000                
Block and release agreement, capital funding, minimum requirement 370,000                
Escrow released $ 5,000                
Nestle                  
Research and Development Arrangement, Contract to Perform for Others [Line Items]                  
Payment committed to fund further research and development     $ 1,000            
Maximum funding convertible, percent     50.00%            
Term loan obligation     5 years            
Other non-current liabilities       $ 1,000 $ 1,000