Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Statement of Financial Position [Abstract]
Accounts receivable, allowances for doubtful accounts (in dollars)	$ 123	$ 152
Common stock, par value (in dollars per share)	$ 0.0033	$ 0.0033
Common stock, Authorized shares	75,000,000	75,000,000
Common stock, shares issued	10,683,337	10,667,337
Common stock, shares outstanding	10,683,337	10,667,337
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0