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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Net income $ 1,504,077 $ 638,041 $ 2,425,979 $ 2,862,831
Other comprehensive income        
Unrealized gain (loss) on marketable securities 8,114 9,483 (3,064) 19,102
Unrealized foreign currency gain (loss) 43,160 47,055 70,300 (85,990)
Comprehensive income $ 1,555,351 $ 694,579 $ 2,493,215 $ 2,795,943