XML 46 R9.htm IDEA: XBRL DOCUMENT v2.4.1.9

Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended
	Jun. 30, 2013	Dec. 31, 2014
Equity Financing Agreement [Member]
Number of shares issued as consideration		329,131us-gaap_SharesIssued / us-gaap_RelatedPartyTransactionAxis = stem_FinancingAgreementMember
Right to sell of common stock	$ 30.0stem_SaleValueOfCommonStock / us-gaap_RelatedPartyTransactionAxis = stem_FinancingAgreementMember
Acquired Patent Portfolio [Member]
Number of shares issued as consideration		139,548us-gaap_SharesIssued / us-gaap_RelatedPartyTransactionAxis = stem_PatentMember

X

- Definition

Sale Value Of Common Stock

+ References

No definition available.

+ Details

Name:	stem_SaleValueOfCommonStock
Namespace Prefix:	stem_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

+ Details

Name:	us-gaap_SharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=stem_FinancingAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=stem_PatentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: