LICENSE AGREEMENTS AND COMMITMENTS - Lease costs (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Leases
Total operating lease costs	$ 721	$ 644	$ 2,127	$ 1,936
Cash paid for amounts included in the measurement of lease liabilities	481	548	1,689	1,641
Research and development expense
Leases
Total operating lease costs	657	584	1,937	1,758
Selling, general, and administrative expense
Leases
Total operating lease costs	$ 64	$ 60	$ 190	$ 178

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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