Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Allowances (in Dollars)	$ 0	$ 20
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	150,000	150,000
Common stock, shares issued	38,291	35,673
Common stock, shares outstanding	38,291	35,673