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Equity Investments (Details)
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12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
USD ($)
|
Dec. 31, 2012
USD ($)
|
Dec. 31, 2008
Sale of Shares in TCC to TKK [Member]
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Dec. 31, 2009
Sale and Transfer of Specific Three Way Catalyst and Zero Platinum Group Metal Patents to TKK [Member]
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Feb. 28, 2010
Agreement to Loan to TCC [Member]
USD ($)
|
Feb. 28, 2010
Agreement to Loan to TCC [Member]
JPY (¥)
|
Dec. 31, 2013
Agreement to Loan to TCC [Member]
JPY (¥)
|
Dec. 31, 2013
Agreement to Loan to TCC [Member]
USD ($)
|
Dec. 31, 2010
Agreement to Loan to TCC [Member]
JPY (¥)
|
Dec. 31, 2013
Other Expense [Member]
Joint Venture [Member]
USD ($)
|
Apr. 30, 2013
Joint Venture [Member]
USD ($)
|
Apr. 30, 2013
Joint Venture [Member]
EUR (€)
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Feb. 28, 2013
Joint Venture [Member]
USD ($)
|
Feb. 28, 2013
Joint Venture [Member]
EUR (€)
|
Dec. 31, 2013
Joint Venture [Member]
USD ($)
|
Dec. 31, 2013
Joint Venture [Member]
EUR (€)
|
Dec. 31, 2013
Joint Venture [Member]
USD ($)
|
Dec. 31, 2013
Joint Venture [Member]
EUR (€)
|
Dec. 31, 2013
Other Assets [Member]
USD ($)
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| Equity Investments (Details) [Line Items] | |||||||||||||||||||
| Sale of Stock, Percentage of Ownership after Transaction | 30.00% | 5.00% | |||||||||||||||||
| Related Party Transaction, Amounts of Transaction | $ 400,000 | ¥ 37,500,000 | |||||||||||||||||
| Advances to Affiliate | 200,000 | 37,500,000 | |||||||||||||||||
| Proceeds from Collection of Advance to Affiliate (in Yen) | 129,000 | 21,500,000 | |||||||||||||||||
| Accumulated Income (Loss) in Joint Venture | 200,000 | ||||||||||||||||||
| Equity Method Investment, Ownership Percentage | 50.00% | 50.00% | 50.00% | 50.00% | |||||||||||||||
| Payments to Acquire Interest in Joint Venture | 66,000 | 50,000 | 361,000 | 262,000 | |||||||||||||||
| Payments for Advance to Affiliate | 261,000 | 261,000 | 200,000 | ||||||||||||||||
| Gain Loss on Joint Venture | 600,000 | 1,200,000 | (900,000) | ||||||||||||||||
| Investments in and Advances to Affiliates, Amount of Equity | $ 100,000 | ||||||||||||||||||