Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2013 (USD $)	12 Months Ended					12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2011	Dec. 31, 2013 2013 Acquisitions [Member] Customer Relationships [Member] Preliminary Purchase Price Allocation [Member]	Dec. 31, 2013 2013 Acquisitions [Member] Trade Names [Member] Preliminary Purchase Price Allocation [Member]	Dec. 31, 2013 2013 Acquisitions [Member] Preliminary Purchase Price Allocation [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2013 [Line Items]
Equipment and leasehold improvements						$ 130,000
Intangible Assets				3,141,000	710,000
Goodwill	370,143,000	369,312,000	300,260,000			3,024,000
Assets acquired and liabilities assumed, net						688,000
Total	$ 109,500,000					$ 7,693,000