CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
CONSOLIDATED BALANCE SHEETS
Preferred stock, par value (in dollars per share)	$ 0.05	$ 0.05
Preferred stock, authorized shares	2,000	2,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized shares	25,000	25,000
Common stock, issued shares	9,473	9,421
Common stock, outstanding shares	9,473	9,421
Treasury stock, shares	91	91