Debt instrument principal and interest.

No definition available.

Name:	DHCC_DebtInstrumentPrincipalAndInterest
Namespace Prefix:	DHCC_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as Convertible Notes Payable. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

+ References

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

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

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-Publisher FASB
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-Topic 230
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+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Description of the conversion terms of a debt instrument which may include the conversion ratio (including all potential conversion ratios if contingently adjustable), type of debt or equity security into which the debt is convertible, the dollars of debt or the number of shares into which the instrument is convertible (or potentially convertible into), the conversion period, any contingencies associated with the conversion terms, and the existence and amount of a beneficial conversion feature.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02.22(a)(2))
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

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+ Details

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

- Definition

The effective interest rate during the reporting period.

+ References

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-Topic 210
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+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Publisher FASB
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-Paragraph 1
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payments of both interest and principal.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Net number of share options (or share units) granted during the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Balance Type:	na
Period Type:	duration

- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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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:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

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Convertible Notes and Line of Credit (Details Narrative) - USD ($)			3 Months Ended	12 Months Ended
	Oct. 25, 2010	Mar. 01, 2010	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2008	Nov. 30, 2020	Oct. 31, 2017	Sep. 26, 2014
Line of credit facility, maximum borrowing capacity					$ 1,000,000
Line of credit interest rate					9.00%
Debt instrument, maturity date					Nov. 01, 2012
Debt instrument, interest rate, stated percentage								4.00%
Convertible notes			$ 1,962,500	$ 1,962,500
Private Placement [Member]
Convertible notes			962,500	962,500
Line of Credit [Member]
Number of options awarded					50,000
Share-based compensation arrangement by share-based payment award, options, vested, weighted average grant date fair value					$ 1.75
Line of credit, principal and accrued interest			1,965,614	1,943,422
Line of Credit [Member] \| Lender [Member] \| Maximum [Member]
Number of options awarded					250,000
Share-based compensation arrangement by share-based payment award, options, vested, weighted average grant date fair value					$ 1.75
Convertible Promissory Note [Member]
Debt instrument, face amount							$ 150,000
Convertible Promissory Note [Member] \| March 1, 2010 Private Placement [Member]
Debt instrument, term		2 years
Debt instrument, face amount		$ 25,000
Debt instrument, interest rate, stated percentage		12.00%
Debt instrument, convertible, number of equity instruments		50,000
Debt instrument, convertible, terms of conversion feature		The Promissory Notes were convertible into 50,000 shares of common stock of the Company upon issuance and for a period of five years at the option of the investor.
Convertible Promissory Note [Member] \| October 25, 2010 Private Placement [Member]
Debt instrument, term	2 years
Debt instrument, face amount	$ 25,000
Debt instrument, interest rate, stated percentage	9.00%
Debt instrument, convertible, number of equity instruments	50,000
Debt instrument, convertible, terms of conversion feature	Convertible into 50,000 shares of common stock of the Company upon issuance and for a period of five years at the option of the investor. The conversion rights have expired.
Convertible notes			487,500	487,500
Convertible Promissory Note [Member] \| Private Placement [Member]
Convertible notes			962,500	962,500
Accrued interest			$ 779,647	$ 754,991
Convertible Promissory Note [Member] \| Private Placement [Member] \| Subsequent Event [Member]
Debt instrument principal and interest						$ 486,796