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WARRANTS (Details 2) (Fair Value, Inputs, Level 2 [Member], USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Fair Value, Inputs, Level 2 [Member]
Class of Warrant or Right [Line Items]
Beginning balance	$ 720,857	$ 374,166
Warrants issued	2,698,375	0
Fair value change of the issued warrants included in earnings	(1,527,835)	4,413
Ending balance	$ 1,891,397	$ 378,579

X

- Definition

It represents the fair value of issued warrants.

+ References

No definition available.

+ Details

Name:	dhrm_FairValueOfIssuedWarrants
Namespace Prefix:	dhrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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

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

X

- Definition

Fair value of warrants issued.

+ References

No definition available.

+ Details

Name:	dhrm_WarrantsIssuedAtFairValue
Namespace Prefix:	dhrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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