Note 6 - Intangible Assets (Details) - Intangible Assets (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Intangible assets subject to amortization:
Intangible assets, gross	$ 3,083	$ 2,790
Intangible assets, accumulated amortization	(2,009)	(1,895)
Intangible assets, net	1,074	895
Customer Relationships [Member] | Minimum [Member]
Intangible assets subject to amortization:
Intangible assets, useful life	4 years	4 years
Customer Relationships [Member] | Maximum [Member]
Intangible assets subject to amortization:
Intangible assets, useful life	9 years	9 years
Customer Relationships [Member]
Intangible assets subject to amortization:
Intangible assets, gross	1,598	1,662
Intangible assets, accumulated amortization	(1,569)	(1,600)
Intangible assets, net	29	62
Trademarks [Member]
Intangible assets subject to amortization:
Intangible assets, useful life	3 years	3 years
Intangible assets, gross	217	229
Intangible assets, accumulated amortization	(217)	(229)
Computer Software, Intangible Asset [Member]
Intangible assets subject to amortization:
Intangible assets, useful life	3 years	3 years
Intangible assets, gross	234	234
Intangible assets, accumulated amortization	(94)	(24)
Intangible assets, net	140	210
Software Development [Member]
Intangible assets subject to amortization:
Intangible assets, useful life	3 years	3 years
Intangible assets, gross	489	92
Intangible assets, net	489	92
Production Formulation [Member]
Intangible assets subject to amortization:
Intangible assets, useful life	10 years	10 years
Intangible assets, gross	545	573
Intangible assets, accumulated amortization	(129)	(42)
Intangible assets, net	$ 416	$ 531