Name:	dhgc_RelatedPartyTransactionsDetailsLineItems
Namespace Prefix:	dhgc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Cash payments to lessor's for use of assets under operating leases.

No definition available.

Name:	dhgc_RentExpenses
Namespace Prefix:	dhgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount that would have been incurred for brokerage service had service been paid for directly in arm's-length transaction.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 20
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=6488101&loc=d3e8702-115831

Name:	us-gaap_InvestmentCompanyFeePaidIndirectly
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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Cash payments to lessor's for use of assets under operating leases.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585

Name:	us-gaap_PaymentsForRent
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Payments of cash to employees, including wages and salaries, during the current period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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Cash received for fees during the current period. This element excludes cash proceeds from license fees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (c)
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