Note 5 - Property and Equipment (Details) - Property and Equipment (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	$ 12,802	$ 6,490
Less: Accumulated depreciation and amortization	8,657	5,143
	4,145	1,347
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	9,746	5,194
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	2,230	1,129
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	550
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	$ 276	$ 167