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Inventories (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Inventory [Line Items] |  |  |
Distributor channel inventories | $ 1,540 us-gaap_DeferredCostsCurrent |  | $ 1,698 us-gaap_DeferredCostsCurrent
Losses incurred on valuation of inventory and write-off of obsolete inventory | 47 clro_LossOnInventoryValuationWithObsoleteInventoryWriteOff | 416 clro_LossOnInventoryValuationWithObsoleteInventoryWriteOff |
Current: |  |  |
Raw materials | 3,071 us-gaap_InventoryRawMaterialsNetOfReserves |  | 3,056 us-gaap_InventoryRawMaterialsNetOfReserves
Finished goods | 12,338 us-gaap_InventoryFinishedGoodsNetOfReserves |  | 11,408 us-gaap_InventoryFinishedGoodsNetOfReserves
Inventoryincludingdistributorchannelinventories,net | 15,409 clro_Inventoryincludingdistributorchannelinventoriesnet |  | 14,464 clro_Inventoryincludingdistributorchannelinventoriesnet
Long-term: |  |  |
Raw materials | 70 clro_InventoryNoncurrentRawMaterialsNetOfReserves |  | 59 clro_InventoryNoncurrentRawMaterialsNetOfReserves
Finished Goods | 620 clro_InventoryNoncurrentFinishedGoodsNetOfReserves |  | 817 clro_InventoryNoncurrentFinishedGoodsNetOfReserves
Inventory, Noncurrent | $ 690 us-gaap_InventoryNoncurrent |  | $ 876 us-gaap_InventoryNoncurrent

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