Note 6 - Intangible Assets (Details) - Intangible assets (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Intangible assets subject to amortization:
Finite Lived Intangible Asset - Gross	$ 2,963	$ 2,790
Finite Lived Intangible Asset - Accumulated Amortization	(2,026)	(1,895)
Finite Lived Intangible Asset - Net	937	895
Customer Relationships [Member]
Intangible assets subject to amortization:
Finite Lived Intangible Asset - Gross	1,662	1,662
Finite Lived Intangible Asset - Accumulated Amortization	(1,622)	(1,600)
Finite Lived Intangible Asset - Net	40	62
Customer Relationships [Member] | Minimum [Member]
Intangible assets subject to amortization:
Finite Lived Intangible Asset - Useful Life	4 years	4 years
Customer Relationships [Member] | Maximum [Member]
Intangible assets subject to amortization:
Finite Lived Intangible Asset - Useful Life	9 years	9 years
Trademarks [Member]
Intangible assets subject to amortization:
Finite Lived Intangible Asset - Useful Life	3 years	3 years
Finite Lived Intangible Asset - Gross	229	229
Finite Lived Intangible Asset - Accumulated Amortization	(229)	(229)
Computer Software, Intangible Asset [Member]
Intangible assets subject to amortization:
Finite Lived Intangible Asset - Useful Life	3 years	3 years
Finite Lived Intangible Asset - Gross	234	234
Finite Lived Intangible Asset - Accumulated Amortization	(70)	(24)
Finite Lived Intangible Asset - Net	164	210
Software Development [Member]
Intangible assets subject to amortization:
Finite Lived Intangible Asset - Useful Life	3 years	3 years
Finite Lived Intangible Asset - Gross	266	92
Finite Lived Intangible Asset - Net	266	92
Production Formulation [Member]
Intangible assets subject to amortization:
Finite Lived Intangible Asset - Useful Life	10 years	10 years
Finite Lived Intangible Asset - Gross	572	573
Finite Lived Intangible Asset - Accumulated Amortization	(105)	(42)
Finite Lived Intangible Asset - Net	$ 467	$ 531