Note 7 - Commitments and Contingencies - Lifetime Lube, Oil and Filter Contracts Acquired (Details) - Lifetime Oil Contracts [Member] $ in Thousands	Dec. 31, 2016 USD ($)
2017	$ 19,800
2018	15,661
2019	12,511
2020	10,400
2021	8,866
Thereafter	32,402
Total	$ 99,640

Amount of deferred revenue to be recognized in the next fiscal year following the latest fiscal year.

No definition available.

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- Definition

Amount of deferred revenue to be recognized in the fifth year following the latest fiscal year

+ References

No definition available.

+ Details

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- Definition

Amount of deferred revenue to be recognized in the fourth year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of deferred revenue to be recognized in the third year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of deferred revenue to be recognized in the second year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of deferred revenue to be recognized after the fifth year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 13.A.3)
-URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 13.A.4(a).Q1)
-URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780

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