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Equity (Details)
12 Months Ended
Dec. 31, 2014
vote
Dec. 31, 2013
Class of Stock [Line Items]    
Preferred stock authorized 20,000,000us-gaap_PreferredStockSharesAuthorized 0us-gaap_PreferredStockSharesAuthorized
Preferred stock shares issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred stock shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common Class A    
Class of Stock [Line Items]    
Common stock outstanding 3,000,000us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
0us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Common stock voting rights 1spke_CommonStockVotingRight
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
 
Common Class B    
Class of Stock [Line Items]    
Common stock outstanding 10,750,000us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
0us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
Common stock voting rights 1spke_CommonStockVotingRight
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember