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Note 5 - Goodwill and Other Intangible Assets - Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Gross	$ 23,829	$ 20,829
Accumulated amortization	(4,116)	(1,745)
Net	19,713	19,084
Marketing-Related Intangible Assets [Member]
Gross	930	930
Accumulated amortization	(411)	(341)
Net	$ 519	589
Useful life (Year)	10 years
Weighted average useful life remaining (Year)	5 years 182 days
Noncompete Agreements [Member]
Gross	$ 270	270
Accumulated amortization	(202)	(190)
Net	$ 68	80
Weighted average useful life remaining (Year)	4 years 109 days
Noncompete Agreements [Member] | Minimum [Member]
Useful life (Year)	2 years
Noncompete Agreements [Member] | Maximum [Member]
Useful life (Year)	5 years
Trade Secrets [Member]
Gross	$ 250	250
Accumulated amortization	(221)	(183)
Net	$ 29	67
Useful life (Year)	5 years
Weighted average useful life remaining (Year)	182 days
Trade Names [Member]
Gross	$ 1,080	1,080
Accumulated amortization	(405)
Net	$ 675	1,080
Useful life (Year)	2 years
Weighted average useful life remaining (Year)	1 year 109 days
Computer Software, Intangible Asset [Member]
Gross	$ 11,229	8,229
Accumulated amortization	(694)
Net	$ 10,535	8,229
Useful life (Year)	10 years
Weighted average useful life remaining (Year)	9 years 109 days
Customer Relationships [Member]
Gross	$ 10,070	10,070
Accumulated amortization	(2,183)	(1,031)
Net	$ 7,887	$ 9,039
Weighted average useful life remaining (Year)	5 years 36 days
Customer Relationships [Member] | Minimum [Member]
Useful life (Year)	6 years
Customer Relationships [Member] | Maximum [Member]
Useful life (Year)	9 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
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- Definition

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+ References

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