XML 77 R66.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Long-Term Bank Loans (Details Narrative) | 1 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2013 USD ($) | Aug. 31, 2013 MYR | May 31, 2013 USD ($) | May 31, 2013 MYR | Jun. 30, 2017 USD ($) | Jun. 30, 2016 | Dec. 31, 2016 USD ($) | Aug. 31, 2013 MYR | May 31, 2013 MYR
Bank loans from financial institutions |  |  |  |  | $ 584,894 |  | $ 567,170 |  |
Base Rate [Member] |  |  |  |  |  |  |  |  |
Base lending rate per annum |  |  |  |  | 6.70% | 6.85% |  |  |
Standard Chartered Saadiq Berhad [Member] |  |  |  |  |  |  |  |  |
Bank loans from financial institutions |  |  | $ 495,170 |  | $ 347,483 |  | 337,464 |  |
Interest rate on bank loans |  |  | 2.10% | 2.10% |  |  |  |  |
Number of Installments on bank loan |  |  | 300 monthly installments | 300 monthly installments |  |  |  |  |
Monthly installment of bank loan |  |  | $ 2,840 |  |  |  |  |  |
Bank loan mature date |  |  | May 31, 2038 | May 31, 2038 |  |  |  |  |
Standard Chartered Saadiq Berhad [Member] | MYR [Member] |  |  |  |  |  |  |  |  |
Bank loans from financial institutions | MYR |  |  |  |  |  |  |  |  | MYR 1,629,744
Monthly installment of bank loan | MYR |  |  |  | MYR 9,287 |  |  |  |  |
United Overseas Bank (Malaysia) Berhad [Member] |  |  |  |  |  |  |  |  |
Bank loans from financial institutions | $ 326,530 |  |  |  | $ 237,411 |  | $ 229,706 |  |
Interest rate on bank loans | 2.20% | 2.20% |  |  |  |  |  |  |
Number of Installments on bank loan | 360 monthly installments | 360 monthly installments |  |  |  |  |  |  |
Monthly installment of bank loan | $ 1,645 |  |  |  |  |  |  |  |
Bank loan mature date | Aug. 31, 2043 | Aug. 31, 2043 |  |  |  |  |  |  |
United Overseas Bank (Malaysia) Berhad [Member] | MYR [Member] |  |  |  |  |  |  |  |  |
Bank loans from financial institutions | MYR |  |  |  |  |  |  |  | MYR 1,074,696 |
Monthly installment of bank loan | MYR |  | MYR 5,382 |  |  |  |  |  |  |

X
- Definition Number of installments on bank loan. + References No definition available. + Details
Name: | GRNQ_NumberOfInstalmentsOnBankLoan
Namespace Prefix: | GRNQ_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the required periodic payments including both interest and principal payments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LoansPayableToBank
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=GRNQ_StandardCharteredSaadiqBerhadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CurrencyAxis=GRNQ_MyrMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=GRNQ_UnitedOverseasBankBerhadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |