Note 4 - Commitments and Contingencies (Details Textual)	9 Months Ended
Sep. 30, 2015 USD ($)
Ideal Image [Member]
Litigation Settlement, Amount	$ 780,000

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

No definition available.

Name:	us-gaap_LitigationSettlementAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration