Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands, $ in Thousands	Dec. 31, 2025	Jun. 30, 2025
Trade accounts receivable, allowance for expected credit loss	$ 193	$ 35
Provision for obsolete inventory	$ 823	$ 851
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	15,000,000	15,000,000
Common stock, shares issued (in shares)	8,736,110	8,625,610
Common stock, shares outstanding (in shares)	8,736,110	8,625,610