Insurance payable.

No definition available.

Name:	HCDI_InsurancePayable
Namespace Prefix:	HCDI_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

+ References

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Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of long-term notes payable classified as other.

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

- Definition

Amount of cash outflow for payment of premium on corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.

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- Details

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

- Details

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NOTE PAYABLE D&O INSURANCE (Details Narrative) - USD ($)	Sep. 01, 2021	Sep. 01, 2021	Aug. 28, 2020	Sep. 30, 2021	Dec. 31, 2020
D & O Insurance [Member]
Defined Benefit Plan Disclosure [Line Items]
Payment to acquire insurance	$ 1,541,400		$ 1,531,900
Down payment for insurance	131,100		306,400
Insurance payable	$ 1,410,300	$ 1,410,300	$ 1,225,500
Debt instrument term		10 months	10 months
Debt instrument interest rate	4.42%		4.74%
Note Payable D&O Insurance				$ 0	$ 741,200
D & O Insurance on September 1, 2021 [Member]
Defined Benefit Plan Disclosure [Line Items]
Note Payable D&O Insurance				$ 1,284,000	$ 0