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v3.20.1

License and Collaboration Agreement - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Deferred revenue - related party |  |  |
Balance at Beginning of Period | $ 17,738 |  |
Balance at End of Period | 18,630 |  | $ 17,738
Payable to collaboration partner - related party |  |  |
Balance at Beginning of Period | 1,262 |  |
Balance at End of Period | 1,116 |  | 1,262
Revenue recognized from contract liability balance at beginning of period | 1,200 | $ 1,200 |
Costs to obtain or fulfill the contract that were capitalized | 0 | 0 |
Janssen Biotech, Inc. | License and Collaborative Revenue |  |  |
Payable to collaboration partner - related party |  |  |
Revenue recognized from contract liability balance at beginning of period | 3,600 | 1,600 |
Increase (decrease) in transaction price | 700 |  |
Janssen Biotech, Inc. | License and Collaboration Agreement |  |  |
Receivable from collaboration partner - related party |  |  |
Balance at Beginning of Period | 5,955 | 2,042 | 2,042
Additions | 1,509 | 1,726 |
Deductions | (5,012) | (4) |
Balance at End of Period | 2,452 | 3,764 | 5,955
Contract asset - related party |  |  |
Contract asset - related party, Balance at Beginning of Period | 800 | 2,545 | 2,545
Contract asset - related party, Additions | 342 |  |
Contract asset - related party, Deductions |  | (1,248) |
Contract asset - related party, Balance at End of Period | 1,142 | 1,297 | 800
Deferred revenue - related party |  |  |
Balance at Beginning of Period | 41,530 | 8,223 | 8,223
Additions | 1,850 | 342 |
Deductions | (4,335) | (1,564) |
Balance at End of Period | 39,045 | 7,001 | 41,530
Payable to collaboration partner - related party |  |  |
Balance at Beginning of Period | 1,262 | 1,061 | 1,061
Additions | 676 | 150 |
Deductions | (822) |  |
Balance at End of Period | $ 1,116 | $ 1,211 | $ 1,262

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