XML 44 R44.htm IDEA: XBRL DOCUMENT
v3.20.1

Warrants to Purchase Common or Preferred Stock - Narrative (Details) | 1 Months Ended
--- | ---
Sep. 30, 2019 shares
Temporary Equity [Line Items] |
Number of common shares called upon exercise of warrants | 512,363
Number of warrants exercised | 569,184
Number of warrants unexercised and terminated | 9,054
Series F redeemable convertible preferred stock |
Temporary Equity [Line Items] |
Number of common shares called upon exercise of warrants | 104,722
Series D and Series E redeemable convertible preferred stock |
Temporary Equity [Line Items] |
Number of common shares called upon exercise of warrants | 119,771
Net exercise of common stock warrants (in shares) | 27,431

X
- Definition Class of Warrant or Right, Exercised + References No definition available. + Details
Name: | exdx_ClassOfWarrantOrRightExercised
Namespace Prefix: | exdx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Unexercised and Terminated + References No definition available. + Details
Name: | exdx_ClassOfWarrantOrRightUnexercisedAndTerminated
Namespace Prefix: | exdx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Issued During Period, Shares, Warrants Exercised, Net + References No definition available. + Details
Name: | exdx_StockIssuedDuringPeriodSharesWarrantsExercisedNet
Namespace Prefix: | exdx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_TemporaryEquityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesFPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=exdx_SeriesDAndSeriesEPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |