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Note 4 - Franchise Value (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Balance $ 150,892 $ 71,199
Additions through acquisitions 4,331 80,233
Written off related to sale of business (36) (540)
Balance $ 155,187 $ 150,892