Note 5 - Income (Loss) Per Share - Computation of Basic and Diluted Net Loss Per Share (Details) - $ / shares	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Denominator for basic net income per share of weighted average number of common shares (in shares)	6,775,971	6,775,971	6,775,971	6,775,971
Denominator for diluted net income per common share (in shares)	6,775,971	6,775,971	6,775,971	6,775,971
Basic net income (loss) per share (in dollars per share)	$ (0.01)	$ (0.059)	$ (0.02)	$ (0.129)
Diluted net income (loss) per share (in dollars per share)	$ (0.01)	$ (0.059)	$ (0.02)	$ (0.129)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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