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Note 23 - Operating Risk (Details) - Concentrations of Credit Risk and Major Customers - Receivables (Accounts Receivable [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Concentration Risk [Line Items]    
Receivables 99,326us-gaap_AccountsReceivableNet 37,975us-gaap_AccountsReceivableNet
Zhongwei Hanky Wiye Solar Co., Ltd. [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Percent of Receivables 27.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_ZhongweiHankyWiyeSolarCoLtdMember		  
Zhongwei Hanky Wiye Solar Co., Ltd. [Member]    
Concentration Risk [Line Items]    
Receivables 28,751us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_ZhongweiHankyWiyeSolarCoLtdMember		  
Alxa League Zhiwei Photovoltaic Power Generation Co., Ltd. [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Percent of Receivables 25.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_AlxaLeagueZhiweiPhotovoltaicPowerGenerationCoLtdMember		  
Alxa League Zhiwei Photovoltaic Power Generation Co., Ltd. [Member]    
Concentration Risk [Line Items]    
Receivables 27,008us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_AlxaLeagueZhiweiPhotovoltaicPowerGenerationCoLtdMember		  
Xinyu Realforce Energy Co., Ltd. [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Percent of Receivables 23.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_XinyuRealforceEnergyCoLtdMember		  
Xinyu Realforce Energy Co., Ltd. [Member]    
Concentration Risk [Line Items]    
Receivables 24,776us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_XinyuRealforceEnergyCoLtdMember		  
KDC Solar Credit LS, LLC [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Percent of Receivables 6.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_KDCSolarCreditLSLLCMember		 31.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_KDCSolarCreditLSLLCMember
KDC Solar Credit LS, LLC [Member]    
Concentration Risk [Line Items]    
Receivables 6,611us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_KDCSolarCreditLSLLCMember		 13,668us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_KDCSolarCreditLSLLCMember
Taneo Fund Management Company [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Percent of Receivables 6.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_TaneoFundManagementCompanyMember		 20.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_TaneoFundManagementCompanyMember
Taneo Fund Management Company [Member]    
Concentration Risk [Line Items]    
Receivables 6,445us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_TaneoFundManagementCompanyMember		 8,801us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_TaneoFundManagementCompanyMember
SDL Solar Ltd. [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Percent of Receivables 5.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_SDLSolarLtdMember		 16.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_SDLSolarLtdMember
SDL Solar Ltd. [Member]    
Concentration Risk [Line Items]    
Receivables 5,735us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_SDLSolarLtdMember		 7,056us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_SDLSolarLtdMember
Solar Hub Utilities, LLC [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Percent of Receivables   19.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sopw_SolarHubUtilitiesLLCMember
Solar Hub Utilities, LLC [Member]    
Concentration Risk [Line Items]    
Receivables   8,450us-gaap_AccountsReceivableNet
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= sopw_SolarHubUtilitiesLLCMember
Customer Concentration Risk [Member]
    
Concentration Risk [Line Items]    
Percent of Receivables 92.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember		 86.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember