TCC Investment (Detail)	12 Months Ended		1 Months Ended
Dec. 31, 2012 USD ($)	Dec. 31, 2012 JPY (¥)	Dec. 31, 2011 USD ($)	Feb. 28, 2010 USD ($)	Feb. 28, 2010 JPY (¥)	Dec. 31, 2008 TKK [Member]	Dec. 31, 2009 Joint Venture [Member]
Sale of Stock, Percentage of Ownership after Transaction						30.00%	5.00%
Advances to Affiliate (in Yen)	$ 200,000			$ 400,000	¥ 37,500,000
Advances to Affiliate	200,000			400,000	37,500,000
Proceeds from Collection of Advance to Affiliate (in Yen)	129,000	21,500,000	51,000
Accumulated Income (Loss) in Joint Venture	$ 200,000

The cash inflow from the collection of money previously advanced to an entity that is related to it but not strictly controlled.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 16

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration