Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Allowances for trade accounts receivable current (in Dollars)	$ 265	$ 447
Preferred stock, par value (in Dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	60,000,000
Common stock, shares issued	44,698,650	24,913,135
Common stock, shares outstanding	44,698,650	24,913,135