Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Trade accounts receivable, net of allowance	$ 60	$ 115
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	7,729,415	9,207,730
Common stock, outstanding shares	7,729,415	9,207,730