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Significant Accounting Policies - Revenue recognition (Details) - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
	Oct. 30, 2020	Dec. 31, 2022
PEDMARK
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Percentage of royalties		1.00%
Revenues		$ 1,535
Processa Pharmaceuticals, Inc | License agreement | Restricted shares
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares to be issued under agreement	41

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