Shareholders' Equity	9 Months Ended
Sep. 30, 2011
Shareholders' Equity [Abstract]
Shareholders' Equity	5. Shareholders' Equity. On February 22, 2011, the Board of Directors authorized the repurchase of up to $15,000,000 of the Company's common stock on or before January 31, 2012, under a new plan. On May 25, 2011 the Board amended the plan to increase the maximum share purchase amount from $15,000,000 to $20,000,000. The plan does not obligate the Company to repurchase any particular number of shares, and may be suspended at any time at the Company's discretion. For the three and nine months ended September 30, 2011, the Company repurchased approximately 609,000 and 2,660,000 shares, respectively, at a total cost of $1,872,000 and $14,921,000, respectively. Subsequent to September 30, 2011, the Company has repurchased approximately 167,000 shares at a total cost of $389,000.

Shareholders' Equity

9 Months Ended

Sep. 30, 2011

5. Shareholders' Equity. On February 22, 2011, the Board of Directors authorized the repurchase of up to $15,000,000 of the Company's common stock on or before January 31, 2012, under a new plan. On May 25, 2011 the Board amended the plan to increase the maximum share purchase amount from $15,000,000 to $20,000,000. The plan does not obligate the Company to repurchase any particular number of shares, and may be suspended at any time at the Company's discretion. For the three and nine months ended September 30, 2011, the Company repurchased approximately 609,000 and 2,660,000 shares, respectively, at a total cost of $1,872,000 and $14,921,000, respectively. Subsequent to September 30, 2011, the Company has repurchased approximately 167,000 shares at a total cost of $389,000.