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Inventories - Summary of Losses Incurred on Valuation of Inventory (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Inventory Disclosure [Abstract]
Net loss on valuation of inventory and write-off of obsolete inventory	$ 328	$ 266	$ 458	$ 396

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- Definition

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

+ References

No definition available.

+ Details

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

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- References

No definition available.

+ Details

Name:	us-gaap_InventoryDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration