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Note 6 - Accounts and Notes Receivable (Details) (USD $)
 12 Months Ended 0 Months Ended 1 Months Ended 3 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Sep. 30, 2014
Nov. 30, 2014
Jun. 30, 2013
May 15, 2014
Jul. 31, 2013
Dec. 31, 2011
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Revenues $ 91,642,000us-gaap_Revenues [1] $ 42,629,000us-gaap_Revenues [1]            
Increase (Decrease) in Accounts Receivable 1,272,000us-gaap_IncreaseDecreaseInAccountsReceivable (11,491,000)us-gaap_IncreaseDecreaseInAccountsReceivable            
Accounts Receivable, Net, Current 22,654,000us-gaap_AccountsReceivableNetCurrent 6,260,000us-gaap_AccountsReceivableNetCurrent            
Accounts Receivable, Net, Noncurrent 4,490,000us-gaap_AccountsReceivableNetNoncurrent 12,349,000us-gaap_AccountsReceivableNetNoncurrent            
Notes, Loans and Financing Receivable, Net, Noncurrent 6,611,000us-gaap_NotesAndLoansReceivableNetNoncurrent 13,668,000us-gaap_NotesAndLoansReceivableNetNoncurrent            
Increase (Decrease) in Inventories (3,838,000)us-gaap_IncreaseDecreaseInInventories (1,025,000)us-gaap_IncreaseDecreaseInInventories            
Proceeds from Collection of Notes Receivable   7,007,000us-gaap_ProceedsFromCollectionOfNotesReceivable            
Beaver Run Project [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Construction and Development Costs 5,791,000us-gaap_ConstructionAndDevelopmentCosts
/ us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis
= sopw_BeaverRunProjectMember		              
Solar Panels [Member] | Exchange and Release Agreement [Member] | KDC Solar RTC, LLC [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Increase (Decrease) in Inventories     7,887,000us-gaap_IncreaseDecreaseInInventories
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_ExchangeAndReleaseAgreementMember
/ us-gaap_CounterpartyNameAxis
= sopw_KDCSolarRTCLLCMember
/ us-gaap_PublicUtilitiesInventoryAxis
= sopw_SolarPanelsMember		          
Solar Modules [Member] | Beaver Run [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Increase (Decrease) in Inventories       (2,094,000)us-gaap_IncreaseDecreaseInInventories
/ us-gaap_BusinessAcquisitionAxis
= sopw_BeaverRunMember
/ us-gaap_PublicUtilitiesInventoryAxis
= sopw_SolarModulesMember		        
Sale of Greece Project [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Increase (Decrease) in Accounts Receivable   8,800us-gaap_IncreaseDecreaseInAccountsReceivable
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_SaleOfGreeceProjectMember		            
Accounts Receivable Extended Collection Period   6 years            
Sale of Greece Project [Member] | Completed Contract Method [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Revenues   13,900,000us-gaap_Revenues
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_SaleOfGreeceProjectMember
/ us-gaap_FairValueByMeasurementBasisAxis
= sopw_CompletedContractMethodMember		            
Second Unrealated Customer [Member] | Expected Collection Period [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Accounts Receivable, Collection Term         1 year      
Second Unrealated Customer [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Accounts Receivable, Net, Current 7,705,000us-gaap_AccountsReceivableNetCurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_SecondUnrelatedCustomerMember		 4,258,000us-gaap_AccountsReceivableNetCurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_SecondUnrelatedCustomerMember		            
Accounts Receivable, Net, Noncurrent 4,476,000us-gaap_AccountsReceivableNetNoncurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_SecondUnrelatedCustomerMember		 12,349,000us-gaap_AccountsReceivableNetNoncurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_SecondUnrelatedCustomerMember		            
Exchange and Release Agreement [Member] | KDC Solar RTC, LLC [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Notes, Loans and Financing Receivable, Net, Noncurrent     13,668,000us-gaap_NotesAndLoansReceivableNetNoncurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_ExchangeAndReleaseAgreementMember
/ us-gaap_CounterpartyNameAxis
= sopw_KDCSolarRTCLLCMember		          
Proceeds from Collection of Notes Receivable     5,781,000us-gaap_ProceedsFromCollectionOfNotesReceivable
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= sopw_ExchangeAndReleaseAgreementMember
/ us-gaap_CounterpartyNameAxis
= sopw_KDCSolarRTCLLCMember		          
Seashore Solar Development [Member] | Cash [Member] | Settled Litigation [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Litigation Settlement, Amount           750,000us-gaap_LitigationSettlementAmount
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CashMember
/ us-gaap_LitigationCaseAxis
= sopw_SeashoreSolarDevelopmentMember
/ us-gaap_LitigationStatusAxis
= us-gaap_SettledLitigationMember		    
Seashore Solar Development [Member] | Solar Panels [Member] | Settled Litigation [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Litigation Settlement, Amount           1,395,000us-gaap_LitigationSettlementAmount
/ us-gaap_FairValueByAssetClassAxis
= sopw_SolarPanelsMember
/ us-gaap_LitigationCaseAxis
= sopw_SeashoreSolarDevelopmentMember
/ us-gaap_LitigationStatusAxis
= us-gaap_SettledLitigationMember		    
Seashore Solar Development [Member] | Settled Litigation [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Loss Contingency, Damages Sought, Value             2,800,000us-gaap_LossContingencyDamagesSoughtValue
/ us-gaap_LitigationCaseAxis
= sopw_SeashoreSolarDevelopmentMember
/ us-gaap_LitigationStatusAxis
= us-gaap_SettledLitigationMember		  
Financing Receivable, Gross           3,699,000us-gaap_NotesReceivableGross
/ us-gaap_LitigationCaseAxis
= sopw_SeashoreSolarDevelopmentMember
/ us-gaap_LitigationStatusAxis
= us-gaap_SettledLitigationMember		    
Beaver Run [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Increase (Decrease) in Accounts Receivable       (2,882,000)us-gaap_IncreaseDecreaseInAccountsReceivable
/ us-gaap_BusinessAcquisitionAxis
= sopw_BeaverRunMember		        
Business Acquisition, Percentage of Voting Interests Acquired       100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= sopw_BeaverRunMember		        
Business Combination, Consideration Transferred       5,196,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= sopw_BeaverRunMember		        
Business Combination, Consideration Transferred, Other       (300,000)us-gaap_BusinessCombinationConsiderationTransferredOther1
/ us-gaap_BusinessAcquisitionAxis
= sopw_BeaverRunMember		        
Business Combination, Consideration Transferred, Liabilities Incurred       (488,000)us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
/ us-gaap_BusinessAcquisitionAxis
= sopw_BeaverRunMember		        
KDC Solar RTC, LLC [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Accounts Receivable, Collection Term   15 years            
Notes, Loans and Financing Receivable, Net, Noncurrent 6,611,000us-gaap_NotesAndLoansReceivableNetNoncurrent
/ us-gaap_CounterpartyNameAxis
= sopw_KDCSolarRTCLLCMember		 13,668,000us-gaap_NotesAndLoansReceivableNetNoncurrent
/ us-gaap_CounterpartyNameAxis
= sopw_KDCSolarRTCLLCMember		            
Beaver Run [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Notes, Loans and Financing Receivable, Net, Noncurrent   $ 2,882,000us-gaap_NotesAndLoansReceivableNetNoncurrent
/ us-gaap_CounterpartyNameAxis
= sopw_BeaverRunMember		            
Seashore Solar Development [Member]                
Note 6 - Accounts and Notes Receivable (Details) [Line Items]                
Solar Panels Sold               11,374sopw_SolarPanelsSold
/ us-gaap_CounterpartyNameAxis
= sopw_SeashoreSolarDevelopmentMember
[1] Sales are attributed to countries based on location of customer.