Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Major Customer Concentration (Details)

v2.4.1.9
Note 7 - Major Customer Concentration (Details) (Customer C [Member], Accounts Receivable [Member], Customer Concentration Risk [Member])
 3 Months Ended 24 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Customer C [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
    
Note 7 - Major Customer Concentration (Details) [Line Items]    
Concentration Risk, Percentage 10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= clfd_CustomerCMember 		10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= clfd_CustomerCMember