XML 46 R26.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair value measurement (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2021
Fair value measurement |
Cash And Cash Equivalents And Available For Sale Securities At Fair Value | The following table sets forth the cash and cash equivalents, and short-term investments as of September 30, 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | Amortized | ​ | unrealized | ​ | unrealized | ​ | ​ | ​
(in thousands) |  | cost |  | gains |  | losses |  | Fair value
Cash and cash equivalents | ​ | $ | 465,829 | ​ | $ | — | ​ | $ | — | ​ | $ | 465,829
Short-term investments | ​ | ​ | 12,033 | ​ | ​ | 1 | ​ | ​ | — | ​ | ​ | 12,034
Total | ​ | $ | 477,862 | ​ | $ | 1 | ​ | $ | — | ​ | $ | 477,863
​ The following table sets forth the cash and cash equivalents, and short-term investments as of September 30, 2020: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | Amortized | ​ | unrealized | ​ | unrealized | ​ | ​ | ​
(in thousands) |  | cost |  | gains |  | losses |  | Fair value
Cash and cash equivalents | ​ | $ | 93,667 | ​ | $ | — | ​ | $ | — | ​ | $ | 93,667
Short-term investments | ​ | ​ | 196,320 | ​ | ​ | 15 | ​ | ​ | — | ​ | ​ | 196,335
Total | ​ | $ | 289,987 | ​ | $ | 15 | ​ | $ | — | ​ | $ | 290,002
Summary of Company's Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis | As of September 30, 2021, financial assets and liabilities measured and recognized at fair value are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | Fair value
Assets |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Money market funds | ​ | $ | 430,438 | ​ | $ | — | ​ | $ | — | ​ | $ | 430,438
U.S. government treasury bills | ​ |  | 12,034 | ​ |  | — | ​ |  | — | ​ |  | 12,034
Total financial assets | ​ | $ | 442,472 | ​ | $ | — | ​ | $ | — | ​ | $ | 442,472
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Contingent consideration and indemnity holdback | ​ | $ | — | ​ | $ | 9,856 | ​ | $ | — | ​ | $ | 9,856
Total financial liabilities | ​ | $ | — | ​ | $ | 9,856 | ​ | $ | — | ​ | $ | 9,856
​ As of September 30, 2020, financial assets and liabilities measured and recognized at fair value are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | Fair value
Assets |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Money market funds | ​ | $ | 73,413 | ​ | $ | — | ​ | $ | — | ​ | $ | 73,413
Commercial paper | ​ |  | — | ​ |  | 94,840 | ​ |  | — | ​ |  | 94,840
U.S. government treasury bills | ​ |  | 101,495 | ​ |  | — | ​ |  | — | ​ |  | 101,495
Total financial assets | ​ | $ | 174,908 | ​ | $ | 94,840 | ​ | $ | — | ​ | $ | 269,748

X
- Definition Schedule Of Fair Value Information On Cash And Cash Equivalents And Available For Sale Securities + References No definition available. + Details
Name: | twst_ScheduleOfFairValueInformationOnCashAndCashEquivalentsAndAvailableForSaleSecuritiesTableTextBlock
Namespace Prefix: | twst_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=117815213&loc=SL7498348-110258 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration