Note 13 - Segment and Related Information (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 13 - Segment and Related Information (Details) [Line Items]
Number of Reportable Segments	2
Disposal Group, Including Discontinued Operation, Depreciation and Amortization (in Dollars)	$ 4,400,000	$ 3,900,000	$ 3,000,000
Payments to Acquire Property, Plant, and Equipment (in Dollars)	67,929,000	43,955,000	36,897,000
Discontinued Operations [Member]
Note 13 - Segment and Related Information (Details) [Line Items]
Payments to Acquire Property, Plant, and Equipment (in Dollars)	$ 1,700,000	$ 1,600,000	$ 1,700,000
Sales Revenue, Net [Member]
Note 13 - Segment and Related Information (Details) [Line Items]
Concentration Risk, Number of Customers Accounted for a Certain Percentage of Revenues	0	0	0
Percentage of Threshold Limit of Sales Revenue	10.00%	10.00%	10.00%