Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income (loss)	$ 638,041	$ (80,219)	$ 2,862,831	$ (1,302,564)
Other comprehensive income (loss)
Unrealized gain (loss) on marketable securities	9,483	5,805	19,102	(11,064)
Unrealized foreign currency gain (loss)	47,055	(217,231)	(85,990)	(212,875)
Comprehensive income (loss)	$ 694,579	$ (291,645)	$ 2,795,943	$ (1,526,503)