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Organization and Summary of Significant Accounting Policies (Details Textual) (USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Organization and Summary of Significant Accounting Policies (Textual)      
Period for non-interest bearing amount 6 months    
Inventory reserves $ 182,521us-gaap_InventoryValuationReserves   $ 181,646us-gaap_InventoryValuationReserves
Notes receivable 112,520us-gaap_NotesAndLoansReceivableNetCurrent   114,034us-gaap_NotesAndLoansReceivableNetCurrent
Shipping costs 252,652us-gaap_ShippingHandlingAndTransportationCosts 317,724us-gaap_ShippingHandlingAndTransportationCosts  
Advances from customers 821,788us-gaap_CustomerAdvancesCurrent   495,461us-gaap_CustomerAdvancesCurrent
Product warranty, period 1 year    
Revenue recognized on installation and warranty 22,766us-gaap_RecognitionOfDeferredRevenue 32,789us-gaap_RecognitionOfDeferredRevenue  
Average translation rates (RMB to USD) 6.1358us-gaap_DerivativeForwardExchangeRate1 6.1156us-gaap_DerivativeForwardExchangeRate1  
Cumulative translation adjustment and effect of exchange rate changes on cash 56,931us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents (13,870)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents  
Asset and liability translation rate (RMB to USD) 6.1091us-gaap_ForeignCurrencyExchangeRateTranslation1   6.1385us-gaap_ForeignCurrencyExchangeRateTranslation1
Cash and cash equivalents uninsured amount 12,822,880us-gaap_CashFDICInsuredAmount   7,792,993us-gaap_CashFDICInsuredAmount
Advances to suppliers 599,757us-gaap_DeferredCostsCurrent   565,581us-gaap_DeferredCostsCurrent
Research and development 28,698us-gaap_ResearchAndDevelopmentExpense 26,871us-gaap_ResearchAndDevelopmentExpense  
Advertising expense 0us-gaap_AdvertisingExpense 864us-gaap_AdvertisingExpense  
Employee benefit costs 68,452cws_EmployeeBenefitCosts 59,841cws_EmployeeBenefitCosts  
Allowance for doubtful accounts 1,327,687us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent   1,321,328us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Impairment loss     $ 3,799,947us-gaap_GoodwillImpairmentLoss
Foreign currency translation description Asset and liability accounts at March 31, 2015 and December 31, 2014 were translated at 6.1091 RMB to $1.00 and at 6.1385 RMB to $1.00, respectively, which were the exchange rates on the balance sheet dates. Equity accounts were stated at their historical rate. The average translation rates applied to the statements of income for the three months ended March 31, 2015 and 2014 were 6.1358 RMB and 6.1156 RMB to $1.00, respectively.    
Operating agreement [Member]      
Organization and Summary of Significant Accounting Policies (Textual)      
Term of agreement from October 12, 2007 20 years    
Option Agreement [Member]      
Organization and Summary of Significant Accounting Policies (Textual)      
Term of agreement from October 12, 2007 20 years    
Green Power Environment Technology (Shanghai) Co [Member]      
Organization and Summary of Significant Accounting Policies (Textual)      
Percentage of capital stock owned by Fulland 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember