CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Shareholders Equity:
Preferred stock, par value (in dollars per share)	$ 0.02	$ 0.02
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)	16,917,368	16,863,868
Common stock, outstanding (in shares)	15,210,084	15,156,584
Treasury stock, shares (in shares)	1,707,284	1,707,284