Note 3 - Business Combination - Acquisition of Zenith (Details) - Fair Value of Acquired Business (Parentheticals) (Zenith Freight Lines [Member], USD $)	0 Months Ended
Feb. 02, 2015	Feb. 02, 2015
Zenith Freight Lines [Member]
Business Acquisition [Line Items]
Acquired business, percentage of voting rights acquired	51.00%	51.00%
Bassett common stock, shares	89,485
Bassett common stock, par value per share	$ 5.00	$ 5.00
Bassett common stock, fair value at closing per share	$ 18.72	$ 18.72
Equity method investment, ownership percentage	49.00%	49.00%

Number of shares of equity interests issued or issuable to acquire entity.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(4)

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

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Face amount or stated value per share of common stock.

+ References

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 210.5-02.29)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

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Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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