CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Allowance for doubtful accounts	$ 643	$ 651
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	500,000	500,000
Preferred stock, issued	0	0
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	16,658,148	16,562,450
Common stock, shares outstanding	16,658,148	16,562,450