The amount of monthly lease rent.

No definition available.

Name:	chuc_LeaseMonthlyRent
Namespace Prefix:	chuc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-4

+ Details

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

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

+ Details

Name:	us-gaap_OperatingLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_LeaseContractualTermAxis=chuc_WilliamsvilleLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=chuc_CorporateHeadquartersLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=chuc_LeaseAt5331ProductionDriveHuntingtonBeachCaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=chuc_LeaseAt1590206ManufactureLaneHuntingtonBeachCAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 13 - Commitments and Contingencies (Details Textual) - USD ($)			3 Months Ended		6 Months Ended
	May 01, 2022	Nov. 01, 2019	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Oct. 01, 2025	Aug. 12, 2025	Jun. 02, 2022
Operating Lease, Expense			$ 81,000	$ 29,000	$ 162,000	$ 73,000
Operating Lease, Right-of-Use Asset			505,000		505,000		$ 632,000
Operating Lease, Liability			$ 514,000		514,000
Williamsville Lease [Member]
Lessee, Operating Lease, Term of Contract	1 year
Lease, Monthly Rent	$ 1,650
Lessee, Operating Lease, Renewal Term	1 year
Corporate Headquarters Lease [Member]
Lessee, Operating Lease, Term of Contract		5 years
Lease, Monthly Rent		$ 22,940
Operating Lease, Expense					$ 138,000	$ 138,000
Lease at 5331 Production Drive, Huntington Beach, Ca [Member]
Lessee, Operating Lease, Renewal Term									3 years	3 years
Operating Lease, Right-of-Use Asset									$ 583,000
Operating Lease, Liability									$ 583,000
Lease at 15902-06 Manufacture Lane, Huntington Beach, CA [Member]
Lessee, Operating Lease, Term of Contract								1 year 6 months
Operating Lease, Right-of-Use Asset								$ 123,000
Operating Lease, Liability								$ 123,000