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: