Critical Accounting Policies and Estimates (Details)	Sep. 30, 2015 Instruments
Critical Accounting Policies and Estimates [Abstract]
Number of instruments held for trading purposes	0

Represents information pertaining to the number of instruments held for trading purposes.

No definition available.

Name:	dgse_NumberOfInstrumentsHeldForTradingPurposes
Namespace Prefix:	dgse_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant