This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

Name:	us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Note 14 - Acquisitions (Details Textual)	12 Months Ended
Note 14 - Acquisitions (Details Textual)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Oct. 02, 2014
DCH Auto Group USA Inc [Member]
Number of Stores				27
Selling, General and Administrative Expenses [Member]
Business Combination, Acquisition Related Costs		$ 1,900,000
Business Combination, Acquisition Related Costs	$ 0		$ 0
Number of Stores	137
Business Acquisition, Goodwill, Expected Tax Deductible Amount	$ 14,100,000