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Note 10 - Business Segment Information (Detail) - Geographical Information (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Total	$ 101,657	$ 135,737
Total	12,415	12,588
United Kingdom [Member]
Revenues	11,855	11,727
Long-Lived Assets	71	334
China [Member]
Revenues	4,206	8,748
Long-Lived Assets	2,243	1,370
Hong Kong [Member]
Revenues	1,499	484
India [Member]
Revenues	351	104
Long-Lived Assets	49	52
Europe, Excluding United Kingdom [Member]
Revenues	9,419	8,091
Japan [Member]
Revenues	1,011	1,440
Singapore [Member]
Revenues	89	567
Canada [Member]
Revenues	776	5,245
Australia [Member]
Revenues	10,567	1,815
Other [Member]
Revenues	2,398	5,357
Non-U.S. [Member]
Revenues	42,171	43,578
Long-Lived Assets	2,363	1,756
United States [Member]
United States	59,486	92,159
United States	$ 10,052	$ 10,832

X

- Definition

Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in the entity's country of domicile.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (b)

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-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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X

- Definition

Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in foreign countries in total in which the entity holds assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

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Revenues from external customers attributed to the entity's country of domicile.

+ References

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-Name Accounting Standards Codification

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- Definition

Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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+ References

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-Publisher FASB

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-Number 131

-Paragraph 38

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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