Note 8 - Commitments and Contingencies (Details Textual) - USD ($)	Sep. 12, 2012	Jun. 30, 2015
Long-Term Purchase Commitment, Estimated Delivery Period	1 year 60 days
Long-term Purchase Commitment, Amount	$ 3,222,000
Long-term Purchase Commitment Amount Payable		$ 323,000
Long-term Purchase Commitment Amount Classified in Construction in Progress		$ 2,899,000

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