Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2013 (USD $) In Thousands, unless otherwise specified					12 Months Ended	3 Months Ended			3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2013 Preliminary Purchase Price Allocation [Member] Customer Relationships [Member]	Dec. 31, 2013 Preliminary Purchase Price Allocation [Member] Trade Names [Member]	Dec. 31, 2013 Preliminary Purchase Price Allocation [Member]	Mar. 31, 2014 Purchase Price Adjustments and Reclassifications [Member]	Mar. 31, 2014 Final Purchase Price Allocation [Member] Customer Relationships [Member]	Mar. 31, 2014 Final Purchase Price Allocation [Member] Trade Names [Member]	Mar. 31, 2014 Final Purchase Price Allocation [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2013 [Line Items]
Equipment and leasehold improvements					$ 130				$ 130
Intangible Assets			3,141	710			3,141	710
Goodwill	438,998	369,312			3,024	(309)			2,715
Assets acquired and liabilities assumed, net					688	(64)			624
Totals					$ 7,693	$ (373)			$ 7,320