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Stockholders' Equity - Summary of Common Stock Issuances (Detail) (USD $)
0 Months Ended 3 Months Ended 0 Months Ended
Mar. 26, 2015
Mar. 02, 2015
Mar. 31, 2015
Jan. 16, 2015
Jan. 30, 2015
Schedule of Stockholders Equity Details Summary of Common Stock Issuances [Line Items]          
Securities sold 500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues 18,700,000us-gaap_StockIssuedDuringPeriodSharesNewIssues      
Consideration (in Dollars)       $ 12,000,000us-gaap_ProceedsFromIssuanceOfCommonStock    
Forwin [Member]          
Schedule of Stockholders Equity Details Summary of Common Stock Issuances [Line Items]          
Securities sold       5,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= sopw_ForwinMember
 
Consideration (in Dollars)       10,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= sopw_ForwinMember
 
Consideration (in Dollars per share)       $ 2us-gaap_SharePrice
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= sopw_ForwinMember
 
Central Able [Member]          
Schedule of Stockholders Equity Details Summary of Common Stock Issuances [Line Items]          
Securities sold         2,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= sopw_CentralAbleMember
Consideration (in Dollars)         5,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= sopw_CentralAbleMember
Consideration (in Dollars per share)         $ 2us-gaap_SharePrice
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= sopw_CentralAbleMember
CECEP [Member]          
Schedule of Stockholders Equity Details Summary of Common Stock Issuances [Line Items]          
Securities sold         5,722,977us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= sopw_CECEPMember
Consideration (in Dollars)         $ 8,269,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= sopw_CECEPMember