XML 135 R61.htm IDEA: XBRL DOCUMENT v2.4.0.8

CONCENTRATIONS (Details Textual)	6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Entity Wide Receivable Major Customer Percentage Description	No customer represented more than 10% of amounts receivable
Net Revenue, Percentage	65.00%	76.00%
Customer 1 [Member]
Entity Wide Revenue, Major Customer, Percentage	18.00%	10.00%
Entity Wide Receivable, Major Customer, Percentage			12.00%
Customer 2 [Member]
Entity Wide Receivable, Major Customer, Percentage			10.00%

X

- Definition

Percentage of receivables generated from a external customer.

+ References

No definition available.

+ Details

Name:	dhrm_EntityWideReceivableMajorCustomerPercentage
Namespace Prefix:	dhrm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Description of percentage of receivables generated from a external customer.

+ References

No definition available.

+ Details

Name:	dhrm_EntityWideReceivableMajorCustomerPercentageDescription
Namespace Prefix:	dhrm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of net revenue generated from three top selling product of the company.

+ References

No definition available.

+ Details

Name:	dhrm_NetRevenuePercentage
Namespace Prefix:	dhrm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration