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Note 7 - Commitments and Contingencies (Details) - Lifetime Lube, Oil and Filter Contracts Aquired (Lifetime Oil Contracts [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Lifetime Oil Contracts [Member]
 
Note 7 - Commitments and Contingencies (Details) - Lifetime Lube, Oil and Filter Contracts Aquired [Line Items]  
2014 $ 10,888
2015 8,527
2016 6,760
2017 5,411
2018 4,315
Thereafter 14,157
Total $ 50,058