Parenthetical - Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Parenthetical - Consolidated Balance Sheets [Abstract]
Allowance for doubtful accounts	$ 662	$ 525
Common Stock, Par Value Per Share	$ 0.04	$ 0.04
Common Stock, Shares Authorized	240,000,000	240,000,000
Common Stock, Shares, Issued	69,844,782	69,678,982
Common Stock, Shares, Outstanding	69,835,387	69,669,587
Treasury Stock, Number of Shares Held	9,395	9,395