XML 53 R39.htm IDEA: XBRL DOCUMENT
v3.21.1

Fixed Assets - Minimum future payments (Details) | Dec. 31, 2020 USD ($)
--- | ---
Payments Due Under Lease Agreement [Member] |
2021 | $ 193,000
2022 | 190,000
2023 | 72,000
Total | 455,000
Discounted Lease Liabilities Payments [Member]. |
2021 | 169,000
2022 | 178,000
2023 | 71,000
Total | $ 418,000

X
- Definition Amount of lessee's discounted obligation for lease payments for operating lease. + References No definition available. + Details
Name: | clir_LesseeOperatingLeaseLiabilityDiscountedPaymentsDue
Namespace Prefix: | clir_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's discounted obligation for lease payments for operating lease, due in next fiscal year following latest fiscal year. + References No definition available. + Details
Name: | clir_LesseeOperatingLeaseLiabilityDiscountedPaymentsDueNextTwelveMonths
Namespace Prefix: | clir_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's discounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year. + References No definition available. + Details
Name: | clir_LesseeOperatingLeaseLiabilityDiscountedPaymentsDueYearThree
Namespace Prefix: | clir_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's discounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year. + References No definition available. + Details
Name: | clir_LesseeOperatingLeaseLiabilityDiscountedPaymentsDueYearTwo
Namespace Prefix: | clir_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=clir_PaymentsDueUnderLeaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=clir_DiscountedLeaseLiabilitiesPaymentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |