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Significant Accounting Policies - Revenue recognition (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Revenues	$ 25,377	$ 1,677
PEDMARK
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Percentage of royalties	1.00%
Revenues	$ 7,419	$ 1,677
Processa Pharmaceuticals, Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares to be issued under agreement	41

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