Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Allowance for doubtful accounts	$ 37	$ 35
Shareholders’ equity:
Common stock par value (in dollars per share)	$ 0.001	$ 0.001
Common stock shares authorized (shares)	50,000,000	50,000,000
Common stock shares issued (shares)	2,212,350	2,212,350
Common stock shares outstanding (shares)	2,212,350	2,212,350