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Intangible assets (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Of Intangible Assets [Abstract]

Summary of Reconciliation of Changes in Intangible Assets and Goodwill

	Brands and trademarks			Patents			Customer relationships			Other			Total
Cost
Balance at December 31, 2018		—			—			—			—			—
Additions		5,295			—			—			—			5,295
Acquisitions		2,977			13,551			18,855			3,639			39,022
Foreign currency translation		114			—			723			139			976
Balance at December 31, 2019		8,386			13,551			19,578			3,778			45,293
Additions		150			—			—			—			150
Disposition of Bridge Farm (note 5)		(3,066	)		—			(19,415	)		(3,747	)		(26,228	)
Foreign currency translation		(25	)		—			(163	)		(31	)		(219	)
Balance at December 31, 2020		5,445			13,551			—			—			18,996

Accumulated amortization
Balance at December 31, 2018		—			—			—			—			—
Depreciation		132			—			982			192			1,306
Foreign currency translation		(1	)		—			(6	)		(1	)		(8	)
Balance at December 31, 2019		131			—			976			191			1,298
Depreciation		441			677			842			165			2,125
Impairment		—			12,874			—			—			12,874
Disposition of Bridge Farm (note 5)		(190	)		—			(1,801	)		(353	)		(2,344	)
Foreign currency translation		—			—			(17	)		(3	)		(20	)
Balance at December 31, 2020		382			13,551			—			—			13,933

Net book value
Balance at December 31, 2019		8,255			13,551			18,602			3,587			43,995
Balance at December 31, 2020		5,063			—			—			—			5,063