Note 7 - Common Stock Options and Warrants (Details) - Stock Option Activity - Jun. 30, 2015 - $ / shares	Total
Note 7 - Common Stock Options and Warrants (Details) - Stock Option Activity [Line Items]
Outstanding December 31, 2014 (in Shares)	81,726
Granted (in Shares)	0
Granted	$ 0
Cancelled/Expired (in Shares)	0
Cancelled/Expired	$ 0
Exercised (in Shares)	0
Exercised	$ 0
Outstanding June 30, 2015 (in Shares)	81,726
Exercisable June 30, 2015 (in Shares)	81,726
Minimum [Member]
Note 7 - Common Stock Options and Warrants (Details) - Stock Option Activity [Line Items]
Outstanding December 31, 2014	$ 0.760
Outstanding June 30, 2015	0.760
Exercisable June 30, 2015	0.760
Maximum [Member]
Note 7 - Common Stock Options and Warrants (Details) - Stock Option Activity [Line Items]
Outstanding December 31, 2014	1.235
Outstanding June 30, 2015	1.235
Exercisable June 30, 2015	$ 1.235

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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.

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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.

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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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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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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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Number of share options (or share units) exercised during the current period.

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