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Business Description, Basis of Presentation and Significant Accounting Policies - Narrative In-text Details (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Accounting Policies [Abstract]    
Inventory, Parts and Components, Net of Reserves $ 47us-gaap_InventoryPartsAndComponentsNetOfReserves $ 45us-gaap_InventoryPartsAndComponentsNetOfReserves
Product return policy, number of days 180 days  
Product return policy, threshhold, not to exceed net purchases during preceeding quarter, percent 0.15clro_ProductReturnPolicyThreshholdNotToExceedNetPurchasesDuringPreceedingQuarterPercent  
Advertising expense 768us-gaap_AdvertisingExpense 472us-gaap_AdvertisingExpense
Deferred Tax Assets, Valuation Allowance $ 786us-gaap_DeferredTaxAssetsValuationAllowance $ 378us-gaap_DeferredTaxAssetsValuationAllowance