Description of Business and Summary of Significant Accounting Policies (Concentration of Credit Risk) (Details) (Customer Concentration Risk [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Sales [Member]
Concentration Risk [Line Items]
Number of customer	1
Sales [Member] | Shenzhen Xinlikang [Member]
Concentration Risk [Line Items]
Major customer, percentage of sales	20.00%	22.00%	18.00%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Number of customer	2
Accounts Receivable [Member] | Shenzhen Xinlikang [Member]
Concentration Risk [Line Items]
Major customer, percentage of sales	13.00%
Accounts Receivable [Member] | Contintental Automotive Hungary Kft. [Member]
Concentration Risk [Line Items]
Major customer, percentage of sales	11.00%