Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Net income	$ 620,327	$ 1,045,940
Other comprehensive income
Unrealized gain on marketable securities	(3,486)	(613)
Unrealized foreign currency gain (loss)	88,800	(53,722)
Comprehensive income	$ 705,641	$ 991,605