Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Statement of Financial Position [Abstract]
Property and equipment, accumulated depreciation	$ 1,154	$ 922
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	22,500,000	22,500,000
Common stock, shares issued	7,897,145	7,776,563
Common stock, shares outstanding	7,897,145	7,776,563