Class Of Warrant Or Right, Issued

No definition available.

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Period Type:	instant

- Definition

Sale Of Stock, Authorized Amount

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sale Of Stock, Remaining Authorized Amount

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Stock Issued During Period, Warrants Issued

+ References

No definition available.

+ Details

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Namespace Prefix:	exdx_
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Balance Type:	na
Period Type:	duration

- 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.

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+ Details

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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- Details

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Stockholders' Equity - Narrative (Details) - USD ($)			3 Months Ended		6 Months Ended
Stockholders' Equity - Narrative (Details) - USD ($)	May 08, 2025	Sep. 15, 2022	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Nov. 17, 2023
Class of Stock [Line Items]
Estimated offering expenses for aggregate expenses			$ 1,598,000
Number of warrants issued (in shares)			107,969	0	107,969	0
Credit Agreement Warrants \| Perceptive Term Loan Facility
Class of Stock [Line Items]
Class of warrant or right, issued (in shares)			750,000		750,000
Shelf Registration Statement
Class of Stock [Line Items]
Common stock offering, authorized amount							$ 150,000,000
Common stock offering, remaining authorized amount			$ 129,800,000		$ 129,800,000
Cowen Equity Distribution Agreement
Class of Stock [Line Items]
Proceeds from sale of stock		$ 50,000,000
2025 Public Offering
Class of Stock [Line Items]
Proceeds from sale of stock	$ 18,600,000
Sale of stock, number of shares issued in transaction (in shares)	3,852,500
Sold, price per share	$ 5.25
Estimated offering expenses for aggregate expenses	$ 1,600,000
Over-Allotment Option
Class of Stock [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	502,500