Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Accounts receivable, allowance for doubtful accounts	$ 113	$ 122
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	500,000	500,000
Preferred stock, issued
Preferred stock, outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, issued	6,853,409	6,938,687
Common stock, outstanding	6,853,409	6,938,687
Treasury stock, shares	469,268	361,990