Note 10 - Acquisitions (Details) - Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Acquisition with Transauthority, Inc. [Member]
Note 10 - Acquisitions (Details) - Purchase Price Allocation [Line Items]
Property and equipment	$ 26,829
Goodwill	7,727
Inventory	5,248
Accounts receivable	1,554
Prepaid expenses	471
Other	66
Accrued expenses	(213)
Total	41,682
Acquisition with Midwest Truck Sales [Member]
Note 10 - Acquisitions (Details) - Purchase Price Allocation [Line Items]
Property and equipment	4,333
Goodwill	5,624
Inventory	6,792
Prepaid expenses	39
Other	53
Accrued expenses	(61)
Total	16,780
Acquisition with Piedmont International Trucks, LLC [Member]
Note 10 - Acquisitions (Details) - Purchase Price Allocation [Line Items]
Property and equipment	1,485
Inventory	1,720
Accounts receivable	364
Prepaid expenses	10
Accrued expenses	(76)
Total	$ 3,503

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Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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