INVESTMENT IN JOINT VENTURES (Schedule Of Joint Venture's Carrying Amount) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended				9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 ZAP Hangzhou [Member]	Dec. 31, 2011 ZAP Hangzhou [Member]	Sep. 30, 2012 Shanghai Zapple [Member]	Sep. 30, 2011 Shanghai Zapple [Member]	Sep. 30, 2012 ZAP Hangzhou [Member]	Sep. 30, 2011 ZAP Hangzhou [Member]
Schedule of Equity Method Investments [Line Items]
Balance as of December 31, 2011			$ 1,290		$ 462	$ 554	$ 736
Less: investment loss	(25)	(64)	(296)	(225)			(204)	0	(92)	(161)
Balance as of September 30, 2012	$ 994		$ 994		$ 462	$ 554	$ 532