Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Oct. 01, 2011	Dec. 31, 2010
Current assets:
Allowances for accounts receivable	$ 969	$ 1,240
STOCKHOLDERS' EQUITY
Common Stock, Par or Stated Value Per Share	$ 0.02	$ 0.02
Common Stock, Shares Authorized	25,000,000	25,000,000
Common Stock, Shares Issued	14,344,679	14,344,679
Common Stock, Shares Outstanding	14,344,679	14,344,679