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Note 9 - Supplemental Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Customer [Member] | Accounts Receivable [Member]
Note 9 - Supplemental Information (Details) [Line Items]
Concentration Risk, Percentage			10.00%
Customer [Member]
Note 9 - Supplemental Information (Details) [Line Items]
Number Of Customers	0	0	0	0
Sales Revenue, Services, Net [Member]
Note 9 - Supplemental Information (Details) [Line Items]
Concentration Risk, Percentage	10.00%	10.00%	10.00%	10.00%
Accounts Receivable [Member]
Note 9 - Supplemental Information (Details) [Line Items]
Number Of Customers				1
Concentration Risk, Percentage			10.00%

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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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

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-Name Accounting Standards Codification

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