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Note 7 - Income (Loss) Per Share (Details) - Computation of Income (Loss) Per Share - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Note 7 - Income (Loss) Per Share (Details) - Computation of Income (Loss) Per Share [Line Items]        
Basic Earnings Per Share-net income (in Dollars) $ 689,000 $ 525,000 $ 978,000 $ 844,000
Basic Earnings Per Share-common shares outstanding [1] 3,872,073 3,849,762 3,871,960 3,849,539
Basic Earnings Per Share-Amount (in Dollars per share) [1] $ 0.18 $ 0.14 $ 0.25 $ 0.22
Effect of Dilutive Securities        
NetIncomeLoss $ 689,000 $ 525,000 $ 978,000 $ 844,000
Diluted Earnings Per Share-common shares outstanding [1] 3,893,166 3,868,221 3,892,952 3,875,261
Diluted Earnings Per Share-Amount (in Dollars per share) [1],[2] $ 0.18 $ 0.14 $ 0.25 $ 0.22
Restricted Stock [Member]        
Effect of Dilutive Securities        
Non-vested Restricted Stock Grants-common shares outstanding [1] 21,093 18,459 20,992 25,722
[1] All common stock data has been restated for a 1-for-10 reverse stock split which took effect on March 4, 2015
[2] All common stock data has been restated for a 1-for-10 reverse stock split which took effect on March 4, 2015.