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Note I - Income Taxes (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Canada Revenue Agency [Member] | Earliest Tax Year [Member] | Foreign Tax Authority [Member]
Open Tax Year	2012
Income Tax Examination, Penalties and Interest Expense	$ 0	$ 0
Statute of Limitations	3 years

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 15



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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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-Topic 740



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