Line Of Credit, Short Term Debt And Bank Acceptance Notes (Narrative) (Details) (USD $)	6 Months Ended			0 Months Ended		6 Months Ended				6 Months Ended	12 Months Ended				0 Months Ended	6 Months Ended	3 Months Ended						6 Months Ended		6 Months Ended			0 Months Ended	1 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Apr. 02, 2012 Taizhou Branch Of China Merchants Bank [Member]	Dec. 06, 2011 Taizhou Branch Of China Merchants Bank [Member]	Jun. 30, 2012 Taizhou Branch Of China Merchants Bank [Member]	Mar. 31, 2012 Taizhou Branch Of China Merchants Bank [Member]	Dec. 31, 2011 Taizhou Branch Of China Merchants Bank [Member]	Jun. 30, 2012 Taizhou Branch Of China Merchants Bank [Member] Line of Credit [Member]	Jun. 30, 2012 Taizhou Branch Of China Merchants Bank [Member] Revolving Short Term Bank Loan [Member]	Dec. 31, 2011 Taizhou Branch Of China Merchants Bank [Member] Revolving Short Term Bank Loan [Member]	Jun. 30, 2012 Sanmen Branch Of CITIC Bank [Member]	May 31, 2012 Sanmen Branch Of CITIC Bank [Member]	Jun. 30, 2012 Sanmen Branch Of CITIC Bank [Member] Line of Credit [Member]	May 25, 2012 Sanmen Branch Of CITIC Bank [Member] Revolving Short Term Bank Loan [Member]	Jun. 30, 2012 Sanmen Branch Of CITIC Bank [Member] Revolving Short Term Bank Loan [Member]	Mar. 31, 2012 Three Small-Sized Banks Based In Taizhou City [Member]	Dec. 31, 2011 Three Small-Sized Banks Based In Taizhou City [Member]	Dec. 06, 2011 Taizhou Branch Of China Everbright Bank [Member]	Dec. 31, 2011 Secured Debt [Member] Three Small-Sized Banks Based In Taizhou City [Member]	Jun. 30, 2012 Secured Debt [Member] Various Banks Based In Taizhou [Member]	Jun. 30, 2012 Notes Payable [Member]	Jun. 30, 2012 Minimum [Member]	Dec. 31, 2011 Minimum [Member] Three Small-Sized Banks Based In Taizhou City [Member]	Jun. 30, 2012 Maximum [Member]	Jun. 30, 2012 Jonway Group [Member]	Dec. 31, 2011 Jonway Group [Member]	Dec. 11, 2011 Jonway Group [Member] Promissory Note [Member]	Jan. 31, 2012 Jonway Group [Member] Promissory Note [Member]	Dec. 31, 2011 Jonway Group [Member] Promissory Note [Member]
Short-term Debt [Line Items]
Line of credit, borrowing capacity								$ 6,200,000					$ 7,100,000
Line of credit, remaining borrowing capacity									3,000,000
Line of credit, amount outstanding						1,100,000				1,100,000	3,200,000	5,600,000		5,600,000	1,600,000	1,590,000
Line of credit, amount repaid						2,100,000				2,100,000
Line of credit, annual interest rate						7.22%				7.22%					8.33%	8.33%
Line of credit, interest due date																Dec. 28, 2012
Parcels of land used to secure debt					1						2				1
Short term debt	3,676,000		5,485,000				520,000											2,200,000		790,000	1,000,000			2,200,000
Extinguishment of debt	4,842,000	2,011,000		520,000													2,200,000
Interest rate																							7.22%		9.47%			8.00%
Restricted cash																						13,100,000
Bank acceptance notes payable	26,124,000		10,528,000																4,700,000
Required cash deposits																							40.00%		60.00%
Amount due to related parties	228,000		2,122,000																							218,000	2,104,000
Repayment to related party																													1,600,000
Period after demand that payment must be made																												10 days
Advances received from related party																														$ 1,600,000