LINE OF CREDIT, SHORT TERM DEBT AND BANK ACCEPTANCE NOTES (Schedule Of Bank Acceptance Notes) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Short-term Debt [Line Items]
Bank acceptance notes payable	$ 18,513,000	$ 10,528,000
China Everbright Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	6,334,000	4,761,000
CITIC Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	5,608,000	0
Taizhou Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	4,627,000	2,451,000
Yinzuo Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	1,268,000	0
Shanghai Pudong Development Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	676,000	0
China Merchant Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	$ 0	$ 3,316,000