Debt Instrument, Minimum Drawings, Amount

No definition available.

Name:	cmps_DebtInstrumentMinimumDrawingsAmount
Namespace Prefix:	cmps_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number Of Ordinary Shares Conversion Ratio

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- 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

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Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- 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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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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- Details

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- Details

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Balance Type:
Period Type:

- Details

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- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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- Details

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- Details

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Subsequent Events (Details) $ / shares in Units, $ in Thousands						1 Months Ended	12 Months Ended
	Feb. 28, 2026 USD ($) $ / shares shares	Jan. 05, 2026 USD ($)	Aug. 18, 2023	Jun. 30, 2023 USD ($)	Oct. 08, 2021	Feb. 28, 2026 USD ($) $ / shares shares	Dec. 31, 2025 USD ($)	Jan. 31, 2025 $ / shares shares	Dec. 31, 2024 USD ($)
Subsequent Event [Line Items]
Term loan payable							$ 31,633		$ 30,165
Ordinary share conversion ratio			1		1
Underwritten Offering
Subsequent Event [Line Items]
Consideration received on transaction							$ 140,500
Pre-funded Warrants \| Underwritten Offering
Subsequent Event [Line Items]
Sale of stock, price per share (in dollars per share) \| $ / shares								$ 4.2649
Purchase of warrants (in shares) \| shares								11,044,720
Subsequent event \| Underwritten Offering
Subsequent Event [Line Items]
Sale of stock, shares issued in transaction (in shares) \| shares	15,160,619
Consideration received on transaction						$ 140,500
Subsequent event \| 2026 ADS Warrants \| Underwritten Offering
Subsequent Event [Line Items]
Sale of stock, shares issued in transaction (in shares) \| shares	35,059,448					17,500,000
Sale of stock, price per share (in dollars per share) \| $ / shares	$ 8.00					$ 8.00
Ordinary share conversion ratio						1
Purchase of warrants (in shares) \| shares	19,898,829					19,898,829
Consideration received on transaction	$ 203,200
Subsequent event \| Pre-funded Warrants \| Underwritten Offering
Subsequent Event [Line Items]
Sale of stock, price per share (in dollars per share) \| $ / shares	$ 7.9999					$ 7.9999
Purchase of warrants (in shares) \| shares	1,250,000					1,250,000
Loan Agreement
Subsequent Event [Line Items]
Aggregate principal borrowing, amount				$ 50,000
Stated interest rate				9.75%
Interest rate, prime margin (as a percent)				1.50%
Loan Agreement \| Subsequent event
Subsequent Event [Line Items]
Aggregate principal borrowing, amount		$ 150,000
Stated interest rate		9.75%
Interest rate, prime margin (as a percent)		2.75%
Loan Agreement, Term Loan One
Subsequent Event [Line Items]
Aggregate principal borrowing, amount				$ 30,000
Loan Agreement, Term Loan One \| Subsequent event
Subsequent Event [Line Items]
Aggregate principal borrowing, amount		$ 50,000
Loan Agreement, Term Loan Two
Subsequent Event [Line Items]
Aggregate principal borrowing, amount				$ 20,000
Loan Agreement, Term Loan Two \| Subsequent event
Subsequent Event [Line Items]
Borrowed in drawings of a minimum		5,000
Loan Agreement, Term Loan Two \| Subsequent event \| Debt Instrument, Redemption, Period One
Subsequent Event [Line Items]
Aggregate principal borrowing, amount		30,000
Loan Agreement, Term Loan Two \| Subsequent event \| Debt Instrument, Redemption, Period Two
Subsequent Event [Line Items]
Aggregate principal borrowing, amount		30,000
Loan Agreement, Term Loan Two \| Subsequent event \| Debt Instrument, Redemption, Period Three
Subsequent Event [Line Items]
Aggregate principal borrowing, amount		20,000
Loan Agreement, Term Loan Two \| Subsequent event \| Debt Instrument, Redemption, Period Four
Subsequent Event [Line Items]
Aggregate principal borrowing, amount		20,000
Existing Loan Agreement \| Subsequent event
Subsequent Event [Line Items]
Term loan payable		$ 31,100