Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Jun. 30, 2013
Trade accounts receivable, allowance for doubtful accounts	$ 494	$ 428
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	36,900,781	36,834,678
Common stock, shares outstanding	36,900,781	36,834,678