Note 4 - Goodwill and Intangible Assets (Details) - The Components and Estimated Useful Lives of Intangible Assets (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Amounts	$ 9,172	$ 1,142
Accumulated Amortization	2,104	583
Net Amount	7,068	559
Tradename	1,900
	11,072
	2,104	583
	8,968	559
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Tradename	1,900
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amounts	6,570	170
Accumulated Amortization	1,512	138
Net Amount	5,058	32
Estimated Useful Life	10 years	10 years
	1,512	138
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amounts	1,104	304
Accumulated Amortization	153	101
Net Amount	951	203
Estimated Useful Life	15 years	15 years
	153	101
Patented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amounts	1,420	620
Accumulated Amortization	403	310
Net Amount	1,017	310
Estimated Useful Life		10 years
	403	310
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amounts	25	25
Accumulated Amortization	25	25
Estimated Useful Life	3 years	3 years
	25	25
Internet Domain Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amounts	53	23
Accumulated Amortization	11	9
Net Amount	42	14
Estimated Useful Life		15 years
	$ 11	$ 9
Minimum [Member] | Patented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	10 years
Minimum [Member] | Internet Domain Names [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	10 years
Maximum [Member] | Patented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	15 years
Maximum [Member] | Internet Domain Names [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	15 years