Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Dec. 31, 2019	Sep. 30, 2019
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	125,000,000	125,000,000
Common stock, shares issued (in shares)	33,870,520	33,870,520
Common stock, shares outstanding (in shares)	33,870,520	33,870,520