XML 60 R44.htm IDEA: XBRL DOCUMENT v3.25.1

Marketable Securities - Available-for-sale Securities by Major Security Type (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Marketable Securities
Amortized cost		$ 4,412,000
Gross unrealized holding gains		7,000
Gross unrealized holding losses		(23,000)
Estimated fair value	$ 0	4,396,000
US Treasury Securities [Member]
Marketable Securities
Amortized cost		1,804,000
Gross unrealized holding gains		0
Gross unrealized holding losses		(1,000)
Estimated fair value	0	1,803,000
Mutual Fund [Member]
Marketable Securities
Amortized cost		1,498,000
Gross unrealized holding gains		7,000
Gross unrealized holding losses		0
Estimated fair value	0	1,505,000
Certificates of Deposit [Member]
Marketable Securities
Amortized cost		103,000
Gross unrealized holding gains		0
Gross unrealized holding losses		0
Estimated fair value	0	103,000
Corporate bonds and notes [Member]
Marketable Securities
Amortized cost		1,007,000
Gross unrealized holding gains		0
Gross unrealized holding losses		(22,000)
Estimated fair value	$ 0	$ 985,000

X

- Definition

The amount of accumulated gross unrealized gain on investment in marketable securities classified as available-for-sale securities.

+ References

No definition available.

+ Details

Name:	clro_AvailableForSaleMarketableSecuritiesAccumulatedGrossUnrealizedGain
Namespace Prefix:	clro_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of accumulated gross unrealized loss on investment in marketable securities classified as available-for-sale securities.

+ References

No definition available.

+ Details

Name:	clro_AvailableForSaleMarketableSecuritiesAccumulatedGrossUnrealizedLoss
Namespace Prefix:	clro_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of amortized cost of marketable securities classified as available-for-sale securities.

+ References

No definition available.

+ Details

Name:	clro_AvailableForSaleMarketableSecuritiesAmortizedCost
Namespace Prefix:	clro_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of investment in marketable security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

X

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MutualFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CertificatesOfDepositMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: