Inventories - Summary of Losses Incurred on Valuation of Inventory (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Inventories - Schedule Of Inventory Net Of Reserves Details
Net loss on valuation of inventory and write-off of obsolete inventory	$ 11	$ 83	$ 130	$ 130

Net loss on valuation of inventory and write-off of obsolete inventory.

No definition available.

Name:	CLRO_InventoryWriteDownIncludingValuationOfInventory
Namespace Prefix:	CLRO_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration