Note 5 - Insurance (Detail) (USD $)	3 Months Ended
Sep. 30, 2012
Operating Insurance and Claims Costs, Production	$ 125,000

Insurance and claims costs directly related to goods produced and sold, or services rendered, during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a),(d))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Name:	us-gaap_OperatingInsuranceAndClaimsCostsProduction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration