Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Allowances for trade accounts receivable	$ 53	$ 70
Shareholders' Equity
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	6,895,085	6,815,600
Common stock. shares outstanding	6,895,085	6,815,600