XML 48 R56.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Goodwill and Other Intangible Assets (Details) (USD $) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Apr. 30, 2009 | Dec. 31, 2012 | Mar. 31, 2009
Purchase price allocated |  |  |
Net tangible assets |  |  | $ 36,000
Intangible assets: |  |  |
Weighted Average Amortization Period |  | 12 years 3 months 18 days |
Total |  |  | 5,135,000
Customer relationships and developed technology [Member] |  |  |
Intangible assets: |  |  |
Gross Intangible assets |  |  | 1,310,000
Weighted Average Amortization Period |  | 8 years |
Customer relationships and developed technology [Member] | Maximum [Member] |  |  |
Intangible assets: |  |  |
Weighted Average Amortization Period | 9 years |  |
Customer relationships and developed technology [Member] | Minimum [Member] |  |  |
Intangible assets: |  |  |
Weighted Average Amortization Period | 6 years |  |
In-process research and development [Member] |  |  |
Intangible assets: |  |  |
Gross Intangible assets |  |  | 1,340,000
Trade name [Member] |  |  |
Intangible assets: |  |  |
Gross Intangible assets |  |  | 310,000
Weighted Average Amortization Period | 15 years | 15 years |
Goodwill [Member] |  |  |
Intangible assets: |  |  |
Goodwill |  |  | $ 2,139,000

X
- Details
Name: | stem_BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsIncludingGoodwillAbstract
Namespace Prefix: | stem_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
Name: | us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The amount of acquisition cost of a business combination allocated to assets acquired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 37 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 53 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of acquisition cost of a business combination allocated to assets, excluding financial assets and goodwill, lacking physical substance. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of acquisition cost of a business combination allocated to net tangible assets. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationNetTangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant