XML 45 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.6

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Accounting Policies [Abstract] |
Schedule of Carrying Amount of Assets and Liability [Table Text Block] | The carrying amount and classification of BTL’s assets and liabilities included in the Consolidated Balance Sheets are as follows:
|  | December 31, |
|  | 2012 |  |  | 2011 |
|  | US$ |  |  | US$ |
Total current assets |  |  | 240,420 |  |  |  | 425,464 |
Total assets |  |  | 1,457,986 |  |  |  | 1,448,432 |
Total current liabilities |  |  | 18,080 |  |  |  | 35,699 |
Total liabilities |  |  | 18,080 |  |  |  | 35,699
Estimated Useful Life of Property and Equipment [Table Text Block] | Property and equipment are recorded at cost less accumulated depreciation and amortization. Depreciation and amortization are calculated on a straight-line basis over the following estimated useful lives:
Leasehold improvements | Shorter of the useful lives or the lease term
Building and land use rights | 20-40 years
Machinery and equipment | 10-15 years
Furniture and office equipment | 5 years
Motor vehicles | 5 years
Estimated Useful Life of Intangible Assets [Table Text Block] | Intangible assets are recorded at cost less accumulated amortization. Amortization is calculated on a straight-line basis over the following estimated useful lives:
Leasehold improvements | Shorter of the useful lives or the lease term
Software copyrights | 20 years
Other software | 5 years

X
- Definition Tabular disclosure of life estimated for Intangible assets during the period. + References No definition available. + Details
Name: | dhrm_EstimatedUsefulLifeOfIntangibleAssetsTableTextBlock
Namespace Prefix: | dhrm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of life estimated for Property and Equipment assets during the period. + References No definition available. + Details
Name: | dhrm_EstimatedUsefulLifeOfPropertyAndEquipmentTableTextBlock
Namespace Prefix: | dhrm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire schedule of carrying amount of assets and liability during the reporting period. + References No definition available. + Details
Name: | dhrm_ScheduleOfCarryingAmountOfAssetsAndLiabilityTableTextBlock
Namespace Prefix: | dhrm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration