Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2020	Sep. 30, 2019
Common stock shares outstanding	15,000,000	15,000,000
Class A common shares
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock shares authorized	31,600,000	31,600,000
Common stock shares issued	15,395,641	15,302,710
Common stock shares outstanding	15,395,641	15,302,710
Class B-1 common shares
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock shares authorized	1,000,000	1,000,000
Common stock shares issued	1,000,000	1,000,000
Common stock shares outstanding	1,000,000	1,000,000
Class B-2 common shares
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock shares authorized	15,000,000	15,000,000
Common stock shares issued	15,000,000	15,000,000