The minimum age an employee must attain before they can participate in the defined contribution plan.

No definition available.

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- Definition

The minimum years of service an employee must have completed to meet requirements to participate in the defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

The amount of expense waivers payable. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum threshold of the fund expense ratio allowed under certain agreements.

+ References

No definition available.

+ Details

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Namespace Prefix:	cncg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of assets pledged to secure an operating lease arrangement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cncg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the monthly rent required for operating lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	cncg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888428&loc=SL77919359-209981

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_InvestmentTypeAxis=cncg_ClassIShareClassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=cncg_GeneralSecurityLeaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=cncg_LeaseArrangementForPrimaryFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cncg_GourmetFoodsMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=cncg_LeasedFactoryAndWarehouseLocatedInTaurangaNewZealandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
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- Details

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Data Type:	na
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- Details

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Note 16 - Commitments and Contingencies (Details Textual)	3 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 NZD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)
Operating Leases, Rent Expense, Net, Total	$ 67,848	$ 41,201
Expense Waivers		700,000		$ 411,739	$ 662,650
Defined Contribution Plan, Employer Discretionary Contribution Amount	0	$ 0
Class A Share Class [Member]
Fund Expense Ratio, Maximum Threshold, Percent			1.30%	1.30%
Class I Share Class [Member]
Fund Expense Ratio, Maximum Threshold, Percent			0.95%	0.95%
General Security Lease Agreement [Member]
Operating Lease Arrangement, Collateral Amount			$ 110,000	$ 72,788
Lease Arrangement for Primary Facility [Member]
Operating Lease Arrangement, Collateral Amount			$ 20,000	$ 13,234
Gourmet Foods [Member] \| Leased Factory and Warehouse Located in Tauranga, New Zealand [Member]
Lessor, Operating Lease, Term of Contract			3 years	3 years
Lessor, Operating Lease, Renewal Term			3 years	3 years
Operating Lease, Monthly Rent	10,966
Brigadier [Member] \| Leased Factory and Warehouse Located in Tauranga, New Zealand [Member]
Operating Lease, Monthly Rent	5,654
The Original Sprout LLC [Member] \| Office and Warehouse Space in San Clemente, CA [Member]
Lessor, Operating Lease, Term of Contract			3 years	3 years
Operating Lease, Monthly Rent	7,805
Wainwright [Member] \| Lease for Office Space in Walnut Creek, California [Member]
Operating Lease, Monthly Rent	$ 12,000
USCF [Member]
Defined Contribution Plan, Minimum Age Requirement for Participation	21 years
Defined Contribution Plan, Minimum Years of Service Requirement	1 year