Business concentrations - Summary of Customers that Accounted for 10% or Greater of Accounts Receivable (Details) - Customer Concentration Risk [Member] - Accounts Receivable [Member]	9 Months Ended	12 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Customer B [Member]
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]
Concentration Risk, Percentage	27.00%	21.00%
Customer C [Member]
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]
Concentration Risk, Percentage	19.00%	35.00%
Customer G [Member]
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]
Concentration Risk, Percentage	20.00%
Customer D [Member]
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]
Concentration Risk, Percentage	10.00%	11.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Period Type:	duration