Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Jun. 30, 2013
Current assets:
Accounts receivable, allowance for doubtful accounts	$ 78	$ 70
Stockholders' equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	14,000,000	14,000,000
Common stock, issued (in shares)	8,981,655	8,807,766
Common stock, outstanding (in shares)	8,981,655	8,807,766
Treasury stock, at cost (in shares)	37,788	37,788