Revenue recognition (Tables)

9 Months Ended

Sep. 30, 2022

Revenue recognition

Schedule of transaction price unsatisfied

Performance obligations:	Transaction price		Cumulative collaboration revenue recognized		Deferred collaboration revenue
Option rights	$	109,045	$	-	$	109,045
Research and development services		14,142		(4,678)		9,464
Total		123,187		(4,678)		118,509
Less current portion of deferred revenue		-		-		(7,571)
Total long-term deferred revenue	$	123,187	$	(4,678)	$	110,938