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Note 8 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 23, 2022 | May 09, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2023
Litigation Settlement, Expense |  |  |  | $ 2,700 |
Obligated to Provide Parking [Member] |  |  |  |  |
Other Commitment |  |  |  |  | $ 205
The Kuzmich Case [Member] |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  | $ 1,200 |  |  |
Litigation Settlement, Amount Awarded to Other Party, Attorney Fee's | $ 400 |  |  |  |
Horn v 50 Murray Street Acquisition LLC, Index No.152415/21 [Member] |  |  |  |  |
Loss Contingency Accrual, Payments |  |  | $ 2,300 |  |
Loss Contingency Accrual |  |  |  |  | $ 400

X
- Definition Amount awarded to other party in judgment or settlement of litigation for attorney fee's. + References No definition available. + Details
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Namespace Prefix: | clpr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-1 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-10 + Details
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Balance Type: | credit
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X
- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-1 + Details
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Balance Type: | credit
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X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |