Bank Loans (Details Textual) In Millions, unless otherwise specified	12 Months Ended			1 Months Ended			12 Months Ended	1 Months Ended	12 Months Ended				12 Months Ended
	Dec. 31, 2012 USD ($)	May 22, 2012 USD ($)	Dec. 31, 2011	May 18, 2012 Industrial and Commercial Bank Of China Macau [Member] USD ($)	May 31, 2012 Industrial and Commercial Bank Of China Macau [Member] USD ($)	May 31, 2012 Industrial and Commercial Bank Of China Macau [Member] CNY	Dec. 31, 2012 Industrial and Commercial Bank Of China Macau [Member] USD ($)	May 22, 2012 Industrial and Commercial Bank Of China Jingzhou Branch [Member]	Dec. 31, 2012 Industrial and Commercial Bank Of China Jingzhou Branch [Member] USD ($)	Dec. 31, 2012 Industrial and Commercial Bank Of China Jingzhou Branch [Member] CNY	May 31, 2012 Industrial and Commercial Bank Of China Jingzhou Branch [Member] USD ($)	Jun. 30, 2012 China Construction Bank Jingzhou Branch [Member] USD ($)	Dec. 31, 2012 Shashi Jiulong Power Steering Gears Co Ltd [Member]
Short-term Debt, Weighted Average Interest Rate	6.46%		6.72%
Short-term Non-bank Loans and Notes Payable												$ 3.2
Non Revolving Credit Facility		30.0		30.0	6.9	43.7
Line of Credit Facility, Description				LIBOR plus 2.25% per annum
Line of Credit Facility, Interest Rate at Period End	2.56%
Line of Credit Facility, Expiration Date				Nov. 03, 2012	May 15, 2013	May 15, 2013		Jun. 15, 2013
Line Of Credit Facility Receivable							31.6
Financing Receivable, Net									27.6	173.3	27.6
Arrangement Fee							0.1		0.1
Amortization Of Arrangement Fee	$ 0.2
Asset Liability Ratio	60.00%												56.30%
Currency Ratio	100.00%