XML 56 R48.htm IDEA: XBRL DOCUMENT
v3.23.3

Related party balances and transactions (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Total |  | $ 136,437 | $ 3,530,844
Bank Of Beijing [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Maturities |  | March 2023 |
Collateral/Guarantee | [1] | Guarantee by Beijing SMEs Credit Re-guarantee Co., Ltd |
Total |  |  | 2,899,728
Bank Of Beijing [Member] | Minimum [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Interest rate |  | 4.80% |
Bank Of Beijing [Member] | Maximum [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Interest rate |  | 5.00% |
B O C Fullerton Bank [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Maturities |  | February 2024 |
Interest rate |  | 8.50% |
Collateral/Guarantee | [2] | *** |
Total |  | $ 67,484 | 121,634
China Merchants Bank [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Maturities |  | March 2023 |
Interest rate |  | 4.30% |
Collateral/Guarantee | [3] | Guarantee by Beijing Zhong Guan Chun Technology Finance Guarantee Co. |
Total |  |  | 434,959
China Construction Bank [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Maturities |  | August 2023 |
Interest rate |  | 4.10% |
Collateral/Guarantee | [4] | **** |
Total |  | $ 68,953 | $ 74,523
[1] | Beijing SMEs Credit Re-guarantee Co., Ltd is a financial services company and provides credit re-guarantee business and short-term capital operation to small and medium enterprises. In addition, Qing Tang, the spouse of Yimin Wu, the Company’s Chairman of the Board of Directors and Chief Executive Officer, has provided real estate property as collateral of approximately $3.1 million (RMB 20,000,000) with Beijing SMEs Credit Re-guarantee Co., Ltd to secure the guarantee with Bank of Beijing.
[2] | Yimin Wu and Qing Tang provided personal guarantees for the loan during the contract period.
[3] | Beijing Zhong Guan Chun Technology Finance Guarantee Co., Ltd is a financial services company and provides credit guarantee business and short-term capital operation to small business. Yimin Wu also provided a personal guarantee for the loan during the contract period.
[4] | Qi Gu was the co-borrower for the loan during the contract period.

X
- Definition Amount of short-term bank loan secured by broker-dealer customer's security. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Rule 15c3-1 -Number 240 -Section 15c3-1 -Publisher SEC + Details
Name: | srt_BankLoans
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479402/808-10-50-1 + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discussion of whether the debt instrument is secured or unsecured, and, if secured, a description of the collateral and guarantees required or provided. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480848/942-470-50-3 + Details
Name: | us-gaap_DebtInstrumentCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Incremental percentage increase (decrease) in the stated rate on a debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentInterestRateIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentMaturityDateDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=ifbd_BankOfBeijingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=ifbd_BOCFullertonBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=ifbd_ChinaMerchantsBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=ifbd_ChinaConstructionBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |