Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details)

v2.4.1.9
Financial Instruments (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Dec. 31, 2014
Contract
Dec. 31, 2013
Mar. 31, 2014
Sep. 09, 2013
Financial Instruments [Abstract]        
Foreign currency transaction gains and (losses) $ 0us-gaap_ForeignCurrencyTransactionGainLossBeforeTax $ 0us-gaap_ForeignCurrencyTransactionGainLossBeforeTax    
Number of open foreign exchange contracts 0clrx_NumberOfOpenForeignExchangeContracts      
Class of Warrant or Right [Line Items]        
Non cash gains on warrants   0clrx_NonCashGainsOnWarrants    
Investment [Line Items]        
Strategic investment $ 399us-gaap_NotesAndLoansReceivableGrossCurrent   $ 378us-gaap_NotesAndLoansReceivableGrossCurrent [1]  
Conversion price (in dollars per share) $ 0.85us-gaap_DebtInstrumentConvertibleConversionPrice1      
Liability Warrants Having Exercise Price 30 [Member]        
Class of Warrant or Right [Line Items]        
Exercise price of warrants outstanding (in dollars per share)       $ 30.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= clrx_LiabilityWarrantsExercisePriceOneMember
[1] Derived from the Company's audited consolidated financial statements.