Note 3 - Equity Investment (Details Textual) $ in Thousands, AUD in Millions	6 Months Ended
Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 AUD	Jun. 30, 2016 USD ($)
Mission Providence [Member]
Equity Method Investment, Ownership Percentage			60.00%	60.00%
Joint Venture, Rights to Cash or Profit Distributions, Percentage			75.00%	75.00%
Payments to Acquire Equity Method Investments	$ 6,381
Equity Method Investment, Future Funding Commitments			AUD 2	$ 1,485
Payments to Acquire Equity Method Investments	$ 6,381	$ 13,784

The amount of future funding commitments accounted for under the equity method of accounting.

No definition available.

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- Definition

The percentage of cash or profit distributions from a joint venture that the company is entitled to.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

+ Details

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

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- Details

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