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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 |  | 329,131 us-gaap_SharesIssued / us-gaap_RelatedPartyTransactionAxis = stem_FinancingAgreementMember
Right to sell of common stock | $ 30.0 stem_SaleValueOfCommonStock / us-gaap_RelatedPartyTransactionAxis = stem_FinancingAgreementMember |
Acquired Patent Portfolio [Member] |  |
Number of shares issued as consideration |  | 139,548 us-gaap_SharesIssued / us-gaap_RelatedPartyTransactionAxis = stem_PatentMember

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- 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
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