Condensed Consolidated Statements of Operations and Comprehensive Loss (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Condensed Consolidated Statements of Operations and Comprehensive Loss
Net Loss	$ (4,853)	$ (3,273)	$ (14,094)	$ (9,005)
Loss on foreign currency translation	(1,527)		(2,844)
Total comprehensive loss	(6,380)	(3,273)	(16,938)	(9,005)
Comprehensive loss attributable to non-controlling interest				(1)
Comprehensive loss attributable to Theriva Biologics, Inc. and Subsidiaries	$ (6,380)	$ (3,273)	$ (16,938)	$ (9,004)