Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Allowance for doubtful accounts (in Dollars)	$ 98	$ 20
Convertible preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	14,666	14,666
Convertible preferred stock, shares issued	14,445	14,445
Convertible preferred stock, shares outstanding	14,445	14,445
Convertible preferred stock, liquidation value (in Dollars)	$ 103,494	$ 103,494
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	30,000	27,800
Common stock, shares issued	7,708	7,444
Common stock, shares outstanding	7,708	7,444