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Revenue Recognition - Summary of balances and activities in our contract asset account (Details) - CpG 1018 adjuvant
$ in Thousands
 3 Months Ended
Mar. 31, 2024
USD ($)
Balance at Beginning of Period $ 71,307 [1]
Balance at Beginning of Period 1,389 [2]
Additions 2,802 [2]
Subtractions (2,017) [2]
Balance at End of Period 2,174 [2]
Balance at End of Period $ 71,307 [1]
[1] The Clover contract asset was included in long term assets to reflect the timing of expected long term demand for CpG 1018 adjuvant for Clover Product. See Note 6 for further discussion.
[2] The $2.2 million of contract asset is derived from our agreement with the DoD.