Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Allowance for doubtful accounts	$ 372	$ 317
Preferred Shares, No Par Value (in dollars per share)	$ 0	$ 0
Preferred Shares, Authorized (in shares)	1,000,000	1,000,000
Preferred Shares, Issued (in shares)	0	0
Common shares, no par value (in dollars per share)	$ 0	$ 0
Common shares, authorized (in shares)	40,000,000	40,000,000
Common shares, outstanding (in shares)	24,685,777	24,392,938