Note 6 - Intangible Assets (Details) - Intangible Assets (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Intangible Assets [Abstract]
Royalty prepayment	$ 12.8	$ 14.0
Computer software	1.6	1.6
Total intangible assets	14.4	15.6
Accumulated depreciation	(13.8)	(13.8)
Intangible assets, net	$ 0.6	$ 1.8

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 2

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Subparagraph (a)(1)

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- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

+ References

No definition available.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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-Paragraph 1

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Amount of asset related to consideration paid in advance for royalties that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Current Assets

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