CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Shareholders Equity:
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Common stock, par value (in dollars per share)	$ 0.02	$ 0.02
Common stock, authorized (in shares)	29,000,000	29,000,000
Common stock, issued (in shares)	17,043,128	17,038,405
Common stock, outstanding (in shares)	15,335,441	15,330,718
Treasury stock, at cost (in shares)	1,707,687	1,707,687
Preferred stock, par value (in dollars per share)	$ 0.02	$ 0.02