CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 1,193	$ 1,215
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, authorized shares	3,000,000	3,000,000
Preferred stock, issued shares	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized shares	30,000,000	30,000,000
Common stock, issued shares	12,164,536	12,163,536
Common stock, outstanding shares	12,164,536	12,163,536