XML 95 R52.htm IDEA: XBRL DOCUMENT
v3.23.1

Stockholders' Equity - Common Stock Reserved for Issuance (Details) - shares | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Schedule Of Common Stock Reserved For Future Issuance [Line Items] |  |
Common stock reserved for future issuance | 11,185,492 | 8,259,317
Stock Options Outstanding |  |
Schedule Of Common Stock Reserved For Future Issuance [Line Items] |  |
Common stock reserved for future issuance | 5,720,415 | 5,926,969
Unvested Restricted Stock Awards |  |
Schedule Of Common Stock Reserved For Future Issuance [Line Items] |  |
Common stock reserved for future issuance | 3,015,387 | 618,494
Stock Options Available for Issuance |  |
Schedule Of Common Stock Reserved For Future Issuance [Line Items] |  |
Common stock reserved for future issuance | 1,697,166 | 1,289,259
Employee Stock Purchase Plan |  |
Schedule Of Common Stock Reserved For Future Issuance [Line Items] |  |
Common stock reserved for future issuance | 752,524 | 424,595

X
- Definition Schedule of common stock reserved for future issuance. + References No definition available. + Details
Name: | pyxs_ScheduleOfCommonStockReservedForFutureIssuanceLineItems
Namespace Prefix: | pyxs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=pyxs_StockOptionsAvailableForIssuanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_EmployeeStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |