Contingent consideration (Tables)

12 Months Ended

Dec. 31, 2019

Contingent Consideration [Abstract]

Disclosure of contingent liabilities

At December 31, 2019, if all of the remaining milestones are met, the timing of these payments is estimated to occur as follows:

	$
2021	6,000
2022	625
2024	1,125
	7,750