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Summary of Significant Accounting Policies - Schedule of Earnings Per Share, Basic and Diluted (Details) (10-K) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]                
Net Income $ 57,981 $ 125,229 $ 20,513 $ 82,269 $ 183,210 $ 102,782 $ 9,038 $ 288,983
Numerator for basic and diluted income available to common shareholders $ 57,981   $ 20,513   $ 183,210 $ 102,782 $ 9,038 $ 288,983
Denominator for basic income per common share - Weighted average common shares outstanding 33,726,489   31,985,827   33,546,329 31,985,827 32,260,622 31,955,416
Dilutive effect of Common Stock Equivalents 2,627,262   2,493,579   2,807,422 2,486,984 2,697,880 2,130,835
Denominator for diluted income per common share - adjusted weighted average common shares outstanding 36,353,751   34,479,406   36,353,751 34,472,811 34,958,502 34,086,251
Basic and Diluted income per common share $ 0.00   $ 0.00   $ 0.01 $ 0.00 $ 0.00 $ 0.01