Note 13 - Stock Option Plans (Details) - Stock Option Activity (USD $)	12 Months Ended	141 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014
Note 13 - Stock Option Plans (Details) - Stock Option Activity [Line Items]
Options outstanding at January 1	270,500	345,500
Options cancelled	(12,000)	(92,000)	(232,680)
Options granted	16,000	17,000	1,231,500
Options outstanding at December 31	274,500	270,500	274,500
Options available for grant at December 31	138,000	154,000	138,000
Options exercisable at December 31	250,000	194,167	250,000
Granted	$ 1.35	$ 1.33
Outstanding at December 31	$ 1.72	$ 1.75	$ 1.72
Exercisable at December 31	$ 1.76	$ 1.83	$ 1.76
Minimum [Member]
Note 13 - Stock Option Plans (Details) - Stock Option Activity [Line Items]
Outstanding	$ 0.69	$ 0.69	$ 0.69
Maximum [Member]
Note 13 - Stock Option Plans (Details) - Stock Option Activity [Line Items]
Outstanding	$ 3.84	$ 3.84	$ 3.84

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)-(4)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Publisher FASB

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

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-Publisher FASB

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-SubTopic 10

-Section 50

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-Subparagraph (c)(1)(i)-(ii)

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