Consolidated Balance Sheets [Parenthetical] (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Allowance for trade accounts receivable (in dollars)	$ 19	$ 0
Inventories allowance (in dollars)	482	114
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	5,000,000,000	5,000,000,000
Common stock, shares issued	541,999,246	25,695,392
Common stock, shares outstanding	541,984,111	25,678,978
Treasury stock, shares	2,012	2,012
Series C Convertible Preferred Stock [Member]
Convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	27,000	27,000
Convertible preferred stock, shares issued	5,086	8,336
Convertible preferred stock, shares outstanding	5,086	8,336
Convertible preferred stock, liquidation value (in dollars)	5,086	8,336
Series D Convertible Preferred Stock [Member]
Convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	25,000	25,000
Convertible preferred stock, shares issued	13,950	25,000
Convertible preferred stock, shares outstanding	13,950	25,000
Convertible preferred stock, liquidation value (in dollars)	$ 1,395	$ 2,500