CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
CURRENT ASSETS:
Trade accounts receivable, net of allowance	$ 115	$ 138
STOCKHOLDERS' EQUITY
Preferred stock, authorized shares (Including series A)	5,000,000	5,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, authorized shares	30,000,000	30,000,000
Common stock, issued shares	9,207,730	9,027,867
Common stock, outstanding shares	9,207,730	9,027,867