Quarterly report pursuant to Section 13 or 15(d)

13. Earnings Per Share (Details - Computation of loss per share)

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13. Earnings Per Share (Details - Computation of loss per share) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Basic        
Net income $ 1,923,273 $ 1,840,666 $ 3,800,828 $ 3,269,239
Less: preferred stock dividends (292) (480) (584) (959)
Net income applicable to common stock $ 1,922,981 $ 1,840,186 $ 3,800,244 $ 3,268,280
Weighted average common shares outstanding 1,970,136 2,058,064 1,972,758 2,029,023
Basic earnings per share $ 0.98 $ 0.89 $ 1.93 $ 1.61
Diluted        
Net income (loss) applicable to common stock $ 1,922,981 $ 1,840,186 $ 3,800,244 $ 3,268,280
Add: preferred stock dividends 292 480 292 959
Net income applicable for diluted earnings per share $ 1,923,273 $ 1,840,666 $ 3,800,536 $ 3,269,239
Weighted average common shares outstanding 1,970,136 2,058,064 1,972,758 2,029,023
Add: Options 44,923 69,979 44,171 56,458
Add: Common Stock Warrants 0 0 0 0
Assumed weighted average common shares outstanding 3,811,672 3,917,228 3,756,114 3,874,666
Diluted earnings per share $ 0.50 $ 0.47 $ 1.01 $ 0.84
Series B Preferred Stock [Member]        
Diluted        
Add: Preferred Stock 1,071,200 1,071,200 1,071,200 1,071,200
Series B Preferred Stock Warrants [Member]        
Diluted        
Add: Preferred Stock 590,145 590,145 590,145 590,145
Series E Preferred Stock [Member]        
Basic        
Less: preferred stock dividends     $ (584) $ (959)
Diluted        
Add: Preferred Stock 77,840 127,840 77,840 127,840