Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011
Accounts receivable, allowance for doubtful accounts	$ 130	$ 73
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	6,968,687	7,013,713
Common stock, outstanding	6,968,687	7,013,713
Treasury stock, shares	331,990	286,964