Note 10 - Acquisitions (Details) - Summary of Acquisition (USD $) In Thousands, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Summary of Acquisition [Abstract]
Cash paid, net of cash acquired	$ 81,558	$ 31,786
Debt issued	3,161
	84,719
Inventories	44,026
Franchise value	6,823
Property and equipment	17,313
Other assets	430
Other liabilities	(107)
	68,485
Goodwill	16,234		17,464
	$ 84,719