Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Jun. 30, 2014
Current assets:
Accounts receivable, allowance for doubtful accounts	$ 54	$ 78
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)	9,134,043	8,996,655
Common stock, outstanding (in shares)	9,134,043	8,996,655
Treasury stock, at cost (in shares)	37,788	37,788
Series Preferred Stock [Member]
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	1,250,000	1,250,000
Preferred stock, issued (in shares)	0	0
Preferred Class A [Member]
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 100	$ 100
Preferred stock, authorized (in shares)	20,000	20,000
Preferred stock, issued (in shares)	0	0