Note 5 - Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Marketing-Related Intangible Assets [Member]
Intangible Assets with finite lives:
Gross	$ 930	$ 930
Accumulated amortization	(155)	(62)
Net	$ 775	868
Finite-Lived Intangible Asset, Useful Life	10 years
Weighted average useful life remaining	8 years 109 days
Noncompete Agreements [Member]
Intangible Assets with finite lives:
Gross	$ 190	190
Accumulated amortization	(158)	(63)
Net	$ 32	127
Finite-Lived Intangible Asset, Useful Life	2 years
Weighted average useful life remaining	109 days
Trade Secrets [Member]
Intangible Assets with finite lives:
Gross	$ 250	250
Accumulated amortization	(83)	(33)
Net	$ 167	217
Finite-Lived Intangible Asset, Useful Life	5 years
Weighted average useful life remaining	3 years 109 days
Computer Software, Intangible Asset [Member]
Intangible Assets with finite lives:
Gross	$ 680	680
Accumulated amortization	(378)	(151)
Net	$ 302	529
Finite-Lived Intangible Asset, Useful Life	3 years
Weighted average useful life remaining	1 year 109 days
Customer Relationships [Member]
Intangible Assets with finite lives:
Gross	$ 2,530	2,530
Accumulated amortization	(469)	(188)
Net	$ 2,061	2,342
Finite-Lived Intangible Asset, Useful Life	9 years
Weighted average useful life remaining	7 years 109 days
Gross	$ 4,580	4,580
Accumulated amortization	(1,243)	(497)
Net	$ 3,337	$ 4,083