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Note 2 - Summary of Significant Accounting Policies (Details) - Schedule of Earnings per Share, Basic and Diluted - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Schedule of Earnings per Share, Basic and Diluted [Abstract]    
Net (Loss) Income (in Dollars) $ (147,531) $ 1,655,021
Weighted average shares outstanding – basic [1] 28,662,557 28,253,115
Dilutive stock options and unvested restricted stock 0 440,364
Weighted average shares outstanding – diluted 28,662,557 28,693,479
Basic (in Dollars per share) $ (0.01) $ 0.06
Diluted (in Dollars per share) $ (0.01) $ 0.06
[1] Including 889,967 and 821,534 shares that were granted and vested but not yet issued for the three months ended March 31, 2019 and 2018, respectively.