Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Trade accounts receivable, net of allowance	$ 131	$ 137
STOCKHOLDERS' EQUITY
Preferred Stock Series A shares authorized	200,000	200,000
Preferred stock, authorized shares	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	9,270,560	9,027,867
Common stock, outstanding shares	9,270,560	9,027,867