XML 48 R36.htm IDEA: XBRL DOCUMENT
v3.25.2

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |  |
Foreign Currency Exchange Rate, Translation | 4.2125 |  | 4.4755
Foreign Currency Average Exchange Rate, Translation | 4.3772 | 4.7279 |

X
- References No definition available. + Details
Name: | bglc_ForeignCurrencyAverageExchangeRateTranslation1
Namespace Prefix: | bglc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479424/830-30-S99-1 + Details
Name: | us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant