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Note 9 - Significant Customers and Industry Concentration (Details) (Customer Concentration Risk [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Sales Revenue, Services, Net [Member]
Note 9 - Significant Customers and Industry Concentration (Details) [Line Items]
Number Of Greater Than Ten Percent Of Revenue Customers	2	2	2
Concentration Risk, Percentage	33.00%	28.00%	31.00%
Revenue Provided to the Automobile Manufacturing Industry [Member]
Note 9 - Significant Customers and Industry Concentration (Details) [Line Items]
Concentration Risk, Percentage	46.00%	37.00%	38.00%
Accounts Receivable [Member]
Note 9 - Significant Customers and Industry Concentration (Details) [Line Items]
Concentration Risk, Customer	two	two
Accounts Receivable, Gross, Current (in Dollars)	$ 28,290,000	$ 16,158,000

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- Definition

For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, this item identifies a second characteristic of the concentration. For example, "Europe" is the second characteristic in the phrase: "net assets in Europe are 70% of total net assets".

+ References

No definition available.

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- Definition

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 3

-Subparagraph a, b

-Article 5

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- Definition

Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Name Accounting Standards Codification

-Topic 825

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

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