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Note Receivable (Details Textual)	1 Months Ended
	Sep. 22, 2017 USD ($)
Notes, Loans and Financing Receivable,Monthly Payment	$ 4,992.89
Notes, Loans and Financing Receivable,Term	15 years
Notes, Loans and Financing Receivable,Maturity Date	Oct. 15, 2024
Loans Receivable, Basis Spread on Variable Rate, During Period	4.00%

X

- Definition

The maturity date of note receivable for the entity.

+ References

No definition available.

+ Details

Name:	dgse_NotesLoansAndFinancingReceivablematurityDate
Namespace Prefix:	dgse_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of note receivable on monthly basis under the purchase agreement made by the entity.

+ References

No definition available.

+ Details

Name:	dgse_NotesLoansAndFinancingReceivablemonthlyPayment
Namespace Prefix:	dgse_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The term of note receivable for the entity.

+ References

No definition available.

+ Details

Name:	dgse_NotesLoansAndFinancingReceivableterm
Namespace Prefix:	dgse_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage points added to the reference rate or index during the adjustment period to compute the variable [fully indexed] rate on the loans receivable realized during the reporting period. This may be an effective margin for the period depending on the specific terms of the underlying loan agreement (for example, an annual disclosure for a loan with a quarterly adjustment period).

+ References

No definition available.

+ Details

Name:	us-gaap_LoansReceivableBasisSpreadOnVariableRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration