Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands, $ in Thousands	Dec. 31, 2025	Sep. 30, 2025
Accumulated depreciation	$ 1,709	$ 1,643
Common Stock, No Par Value (in dollars per share)	$ 0	$ 0
Common Stock, Authorized (in shares)	22,500,000	22,500,000
Common Stock, Issued (in shares)	7,891,917	7,889,941
Common Stock, Outstanding (in shares)	7,891,917	7,889,941