Note 7 - Income Taxes (Details) - Income Before Income Taxes (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 7 - Income Taxes (Details) - Income Before Income Taxes [Line Items]
	$ 11,807,610	$ 11,220,759	$ 8,945,645
Internal Revenue Service (IRS) [Member]
Note 7 - Income Taxes (Details) - Income Before Income Taxes [Line Items]
United States	10,339,632	9,920,099	7,941,689
Her Majesty's Revenue and Customs (HMRC) [Member]
Note 7 - Income Taxes (Details) - Income Before Income Taxes [Line Items]
Income before income taxes	557,776	565,538	509,426
Canada Revenue Agency [Member]
Note 7 - Income Taxes (Details) - Income Before Income Taxes [Line Items]
Income before income taxes	874,571	858,532	999,609
Australian Taxation Office [Member]
Note 7 - Income Taxes (Details) - Income Before Income Taxes [Line Items]
Income before income taxes	102,922	69,905	(210,372)
Tax Authority, Spain [Member]
Note 7 - Income Taxes (Details) - Income Before Income Taxes [Line Items]
Income before income taxes	$ (67,291)	$ (193,315)	$ (294,707)

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 940

-SubTopic 20

-Section 25

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35710027&loc=d3e41242-110953

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Article 5

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

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