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Stockholders' Equity (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jan. 07, 2015
Stockholders' Equity (Textual)      
Stock-based compensation $ 274,400us-gaap_ShareBasedCompensation     
2010 long-term incentive plan [Member]      
Stockholders' Equity (Textual)      
Common stock issued for services     80,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= cws_LongTermIncentivePlanMember
2010 long-term incentive plan [Member] | Chief Executive Officer [Member]      
Stockholders' Equity (Textual)      
Common stock issued for services     20,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= cws_LongTermIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
2010 long-term incentive plan [Member] | Chief Financial Officer [Member]      
Stockholders' Equity (Textual)      
Common stock issued for services     18,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= cws_LongTermIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefFinancialOfficerMember
2010 long-term incentive plan [Member] | Chief Executive Officer And His Wife [Member]      
Stockholders' Equity (Textual)      
Common stock issued for services     12,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= cws_LongTermIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= cws_ChiefExecutiveOfficerAndHisWifeMember
2010 long-term incentive plan [Member] | Other Employees [Member]      
Stockholders' Equity (Textual)      
Common stock issued for services     30,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= cws_LongTermIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= cws_OtherEmployeesMember