Note 5 - Fair Value of Financial Instruments (Details Textual) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2018	Dec. 31, 2017
Trade Receivables Held-for-sale, Net, Not Part of Disposal Group, Ending Balance	$ 38,300	$ 31,900
Allowance for Doubtful Accounts Receivable, Ending Balance	300	200
Accounts Payable, Total	$ 700	600
Minimum [Member]
Factoring Receivables, Percentage Advanced	85.00%
Factoring Receivables, Term	30 days
Maximum [Member]
Factoring Receivables, Percentage Advanced	95.00%
Factoring Receivables, Term	40 days
Interest Rate Swap [Member]
Derivative Liability, Total		$ 487

The approximate percentage of factoring receivables advanced

No definition available.

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- Definition

Duration of time in which factoring receivables are repaid.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
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- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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-SubTopic 20
-Section 50
-Paragraph 3
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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- Definition

Amount, after allowance for bad debt, of trade receivables held-for-sale that are not part of a disposal group.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
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