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COLLABORATION AND LICENSING AGREEMENTS (Tables) | 6 Months Ended
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Jun. 30, 2024
Collaboration and Licensing Agreements |
Schedule of Deferred Revenue Balances | The following tables present changes in our current and non-current deferred revenue balances during the reporting period, which are all attributable to the 2017 Kyowa Kirin Agreement (in thousands):
| 2024 |  | 2023
| Current |  | Non-Current |  | Current |  | Non-Current
Balance at January 1, | $ | 7,182 |  | $ | 8,644 |  | $ | 4,211 |  | $ | 9,025
Amounts invoiced as prepayments for product supply | 731 |  | 5,213 |  | 816 |  | 3,478
Decrease for revenue recognized for product supply | (1,328) |  | — |  | (2,333) |  | —
Reclassify amounts to be recognized in the next twelve months | 4,244 |  | (4,244) |  | 3,265 |  | (3,265)
Balance at June 30, | $ | 10,829 |  | $ | 9,613 |  | $ | 5,959 |  | $ | 9,238

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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