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STOCKHOLDERS' EQUITY (Additional Information) (Detail)
Mar. 31, 2015
Dec. 31, 2014
Dec. 31, 2012
Stockholders Equity Additional Information [Line Items]      
Common stock, shares authorized 150,000,000us-gaap_CommonStockSharesAuthorized 150,000,000us-gaap_CommonStockSharesAuthorized  
Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights 455,514us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights    
Subordinated Debt [Member]      
Stockholders Equity Additional Information [Line Items]      
Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights 455,514us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SubordinatedDebtMember		 455,514us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SubordinatedDebtMember		  
Subordinated Debt [Member] | Senior Amendment [Member]      
Stockholders Equity Additional Information [Line Items]      
Class of Warrant or Right, Outstanding     160,000us-gaap_ClassOfWarrantOrRightOutstanding
/ cylu_AmendmentAxis
= cylu_SeniorAmendmentMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SubordinatedDebtMember