Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_NotesReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Accounts and notes receivable, net (Details Textual) ¥ in Millions, $ in Millions	Sep. 30, 2015 USD ($)	Sep. 30, 2015 CNY (¥)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 CNY (¥)
Financing Receivables [Line Items]
Non Revolving Credit Facility	$ 30.0		$ 30.0
Accounts Receivable Pledged As Security Value	33.0		34.3
Henglongs Collateralization [Member]
Financing Receivables [Line Items]
Financing Receivable, Net	36.6	¥ 232.6	38.0	¥ 232.5
Jingzhou Henglong Automotive Parts Co Ltd [Member]
Financing Receivables [Line Items]
Financing Receivable, Net	32.6	207.1	33.0	201.8
ICBC Macau [Member]
Financing Receivables [Line Items]
Financing Receivable, Net	$ 4.0	¥ 25.5	$ 5.0	¥ 30.7