CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2012	Dec. 31, 2011
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)	17,038,405	16,863,868
Common stock, outstanding (in shares)	15,330,718	15,156,584
Treasury stock, at cost (in shares)	1,707,687	1,707,284
Preferred stock, par value (in dollars per share)	$ 0.02	$ 0.02