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Summary of Significant Accounting Policies (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jun. 30, 2014
Variable Interest Entity [Line Items]      
Cash, FDIC Insured Amount $ 250,000us-gaap_CashFDICInsuredAmount    
Weighted Average Number of Shares Outstanding, Diluted 1,120,214us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 1,249,582us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding  
Emerging Growth Company Minimum Revenue 1,000,000,000clir_EmergingGrowthCompanyMinimumRevenue    
Emerging Growth Company Non Convertible Debt 1,000,000,000clir_EmergingGrowthCompanyNonConvertibleDebt    
Emerging Growth Company Minimum Non-Affiliate Market Value Of Common Stock     700,000,000clir_EmergingGrowthCompanyMinimumNonaffiliateMarketValueOfCommonStock
Tax Benefits Recognized Description The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50 percent likelihood of being realized upon ultimate resolution.    
Emerging Growth Company Non-Affiliate Market Value Of Common Stock     $ 71,000,000clir_EmergingGrowthCompanyNonaffiliateMarketValueOfCommonStock
Property, Plant and Equipment, Estimated Useful Lives over two to four years