Commitments and Contingencies (Details) (Supercritical carbon dioxide extraction equipment, USD $)	0 Months Ended
Sep. 12, 2012	Mar. 31, 2013
Supercritical carbon dioxide extraction equipment
Commitments and Contingencies
Estimated delivery period from the date of agreement	14 months
Aggregate amount to be paid	$ 3,222,000
Unpaid amount		1,612,000
Amount classified in construction in progress		$ 1,611,000

The aggregate carrying amount, as of the balance sheet date of obligations incurred and payable under the long-term purchase commitment.

No definition available.

Name:	cyan_LongTermPurchaseCommitmentAmountPayable
Namespace Prefix:	cyan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant