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Note 2 - Summary of Significant Accounting Policies (Details) - Schedule of Earnings per Share, Basic and Diluted - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Schedule of Earnings per Share, Basic and Diluted [Abstract]        
Net (Loss) Income (in Dollars) $ (396,148) $ (492,033) $ (581,864) $ 2,526,293
Weighted average shares outstanding – basic [1] 28,386,099 28,439,977 28,583,907 28,349,945
Dilutive stock options and unvested restricted stock 0 0 0 309,710
Weighted average shares outstanding – diluted 28,386,099 28,439,977 28,583,907 28,659,655
Basic (in Dollars per share) $ (0.01) $ (0.02) $ (0.02) $ 0.09
Diluted (in Dollars per share) $ (0.01) $ (0.02) $ (0.02) $ 0.09
[1] Including 1,021,524 and 836,534 shares that were granted and vested but not yet issued for the nine months ended September 30, 2019 and 2018, respectively.