Sale Of Stock, Performance Milestone, Triggering Event, Minimum Revenue

No definition available.

Name:	cron_SaleOfStockPerformanceMilestoneTriggeringEventMinimumRevenue
Namespace Prefix:	cron_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sale Of Stock, Performance Milestone, Triggering Event, Shares Issued, Value

+ References

No definition available.

+ Details

Name:	cron_SaleOfStockPerformanceMilestoneTriggeringEventSharesIssuedValue
Namespace Prefix:	cron_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Stock Issued During Period, New Issues, Fair Value

+ References

No definition available.

+ Details

Name:	cron_StockIssuedDuringPeriodNewIssuesFairValue
Namespace Prefix:	cron_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Stock Issued During Period, New Issues, Weighted Average Price, Period

+ References

No definition available.

+ Details

Name:	cron_StockIssuedDuringPeriodNewIssuesWeightedAveragePricePeriod
Namespace Prefix:	cron_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of new stock issued during the period.

+ 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 http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 4: 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(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cron_SaleOfStockPerformanceMilestoneAxis=cron_SaleOfStockPerformanceMilestoneOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cron_SaleOfStockPerformanceMilestoneAxis=cron_SaleOfStockPerformanceMilestoneTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments - Use of Publicity Rights in Brand Development (Details) - Common Shares					6 Months Ended
	Dec. 23, 2022	Jun. 23, 2021	Jan. 31, 2020	Dec. 23, 2019 USD ($) d shares	Jun. 30, 2019 shares
Subsidiary, Sale of Stock [Line Items]
Shares issued (in shares) \| shares					149,831,154
Private Placements
Subsidiary, Sale of Stock [Line Items]
Shares issued (in shares) \| shares				856,017
Stock issued during period, new issues, fair value				$ 6,000,000
Stock issued during period, new issues, measurement input \| d				10
Private Placements \| Sale of Stock, Performance Milestone One
Subsidiary, Sale of Stock [Line Items]
Triggering event, minimum revenue				$ 50,000,000
Triggering event, shares issued, value				1,000,000
Private Placements \| Sale of Stock, Performance Milestone Two
Subsidiary, Sale of Stock [Line Items]
Triggering event, minimum revenue				100,000,000
Triggering event, shares issued, value				$ 1,000,000
Vested on January 31, 2020 \| Private Placements
Subsidiary, Sale of Stock [Line Items]
Award vesting rights, percentage			33.33%
Vesting on June 23, 2021 \| Private Placements \| Forecast
Subsidiary, Sale of Stock [Line Items]
Award vesting rights, percentage		33.33%
Vesting on December 23, 2022 \| Private Placements \| Forecast
Subsidiary, Sale of Stock [Line Items]
Award vesting rights, percentage	33.33%