INVESTMENT IN JOINT VENTURES (Schedule of Carrying Amounts) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Beginning balance	$ 898	$ 1,290	$ 1,290
Less: investment loss	(485)	(119)	(403)
CTA	4		11
Ending balance	417		898
Shanghai Zapple [Member]
Schedule of Equity Method Investments [Line Items]
Beginning balance	461	736	736
Less: investment loss	461	68	280
CTA			5
Ending balance			461
ZAP Hangzhou [Member]
Schedule of Equity Method Investments [Line Items]
Beginning balance	437	554	554
Less: investment loss	24	51	123
CTA	4		6
Ending balance	$ 417		$ 437