The following is an analysis of the stock warrant grant activity (Details) - $ / shares	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Equity [Abstract]
Warrants Non-vested at December 31, 2023	55,000
Weighted- Average Exercise Price Outstanding December 31, 2023	$ 7.50
Outstanding December 31, 2024	9 years 9 months 3 days
Warrants Granted		55,000
Weighted- Average Exercise Price Granted		$ 7.50
Number Expired
Weighted- Average Exercise Price Expired
Number Exercised
Weighted- Average Exercise Price Exercised
Outstanding March 31, 2024	55,000	55,000
Weighted- Average Exercise Price Outstanding March 31, 2024	$ 7.50	$ 7.50
Outstanding December 31, 2023	9 years 4 months 24 days	9 years 3 months 26 days
Exercisable March 31, 2024	55,000	55,000
Weighted- Average Exercise Price Exercisable March 31, 2024	$ 7.50	$ 7.50
Exercisable March 31, 2024	8 years 10 months 14 days	9 years 2 months 12 days
Granted		10 years
Weighted- Average Exercise Price Expired
Options Non-vested at December 31, 2023		113,429
Weighted- Average Exercise Price Non-vested at December 31, 2023
Weighted- Average Exercise Price Granted		$ 7.50
Warrants Vested		(55,000)
Weighted- Average Exercise Price Vested		$ 7.50
Warrants Forfeited
Weighted- Average Exercise Price Forfeited
Warrants Non-vested at March 31, 2024
Weighted- Average Exercise Price Non-vested at March 31, 2024

The element represents share based compensation arrangement by share based payment award warrants exercisable number.

No definition available.

Name:	chro_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExercisableNumber
Namespace Prefix:	chro_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The element represents share based compensation arrangement by share based payment award warrants exercisable weighted average exercise price.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExercisableWeightedAverageExercisePrice
Namespace Prefix:	chro_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The element represents share based compensation arrangement by share based payment award warrants expirations in period.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExpirationsInPeriod
Namespace Prefix:	chro_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents share based compensation arrangement by share based payment award warrants grants in period gross.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsGrantsInPeriodGross
Namespace Prefix:	chro_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents share based compensation arrangement by share based payment award warrants outstanding number.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingNumber
Namespace Prefix:	chro_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The element represents share based compensation arrangement by share based payment award warrants outstanding weighted average exercise price.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	chro_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The element represents weighted average remaining life end.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageRemainingLifeEnd
Namespace Prefix:	chro_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents weighted average remaining life start.

+ References

No definition available.

+ Details

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Namespace Prefix:	chro_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents share based compensation arrangements by share based payment award warrants exercises in period weighted average exercise price.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementsByShareBasedPaymentAwardWarrantsExercisesInPeriodWeightedAverageExercisePrice
Namespace Prefix:	chro_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents share based compensation arrangements by share based payment award warrants expirations in period weighted average exercise price.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementsByShareBasedPaymentAwardWarrantsExpirationsInPeriodWeightedAverageExercisePrice
Namespace Prefix:	chro_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents share based compensation arrangements by share based payment award warrants grants in period weighted average exercise price.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementsByShareBasedPaymentAwardWarrantsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix:	chro_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents share based compensation arrangements by share based payment award warrants grants in period weighted average remaining life.

+ References

No definition available.

+ Details

Name:	chro_ShareBasedCompensationArrangementsByShareBasedPaymentAwardWarrantsGrantsInPeriodWeightedAverageRemainingLife
Namespace Prefix:	chro_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents sharebased compensation arrangement by sharebased payment award options nonvested warrants forfeited weighted average grant date fair value.

+ References

No definition available.

+ Details

Name:	chro_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWarrantsForfeitedWeightedAverageGrantDateFairValue
Namespace Prefix:	chro_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents sharebased compensation arrangement by sharebased payment award warrants exercisable weighted average remaining contractual term1.

+ References

No definition available.

+ Details

Name:	chro_SharebasedCompensationArrangementBySharebasedPaymentAwardWarrantsExercisableWeightedAverageRemainingContractualTerm1
Namespace Prefix:	chro_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents sharebased compensation arrangement by sharebased payment award warrants nonvested number of shares.

+ References

No definition available.

+ Details

Name:	chro_SharebasedCompensationArrangementBySharebasedPaymentAwardWarrantsNonvestedNumberOfShares
Namespace Prefix:	chro_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The element represents sharebased compensation arrangement by sharebased payment award warrants nonvested options forfeited number of shares.

+ References

No definition available.

+ Details

Name:	chro_SharebasedCompensationArrangementBySharebasedPaymentAwardWarrantsNonvestedOptionsForfeitedNumberOfShares
Namespace Prefix:	chro_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents sharebased compensation arrangement by sharebased payment award warrants vested number of shares.

+ References

No definition available.

+ Details

Name:	chro_SharebasedCompensationArrangementBySharebasedPaymentAwardWarrantsVestedNumberOfShares
Namespace Prefix:	chro_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The element represents stock issued during period shares stock warrants exercised.

+ References

No definition available.

+ Details

Name:	chro_StockIssuedDuringPeriodSharesStockWarrantsExercised
Namespace Prefix:	chro_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

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

- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
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