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Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Leased Equipment (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Leased Equipment [Abstract]
Cost of leased equipment	$ 473	$ 1,139
Accumulated depreciation	(290)	(878)
Carrying value of leased equipment	$ 183	$ 261

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- Definition

Long-lived depreciable assets not included within other defined categories that are subject to a lease meeting the criteria for capitalization.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 2)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 25

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6394851&loc=SL2265659-115463

+ Details

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- Definition

The net amount of long-lived depreciable assets not included within other defined categories that are subject to a lease meeting the criteria for capitalization.

+ References

No definition available.

+ Details

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- Definition

The cumulative amount of depreciation for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization not included within the other defined categories in the taxonomy.

+ References

No definition available.

+ Details

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