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WARRANTS (Details 1) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2011
Warrants liability, Carrying Value	$ 378,579	$ 374,166
Fair Value, Inputs, Level 1 [Member]
Warrants liability, Fair Value Measurement	0	0
Fair Value, Inputs, Level 2 [Member]
Warrants liability, Fair Value Measurement	378,579	374,166	96,469
Fair Value, Inputs, Level 3 [Member]
Warrants liability, Fair Value Measurement	$ 0	$ 0

X

- Definition

Fair Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

No definition available.

+ Details

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Namespace Prefix:	dhrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

+ Details

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