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Note 4 - Derivative Instruments and hedging activities (Tables)

9 Months Ended

Sep. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

			As of September 30, 2013				As of December 31, 2012
Derivatives	Balance Sheet Location		Fair Value Asset (Liability)				Fair Value Asset (Liability)
Foreign currency forward contracts designated as cash flow hedges	Derivative instruments		$	139,487			$	377,703
Foreign currency forward contracts not designated as cash flow hedges	Derivative instruments		$	16,057			$	67,079
Total foreign currency forward contracts	Derivative instruments		$	155,544			$	444,782

Derivative Instruments, Gain (Loss) [Table Text Block]

Derivatives in Cash Flow Hedging Relationship		Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)			Location of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective  Portion)		Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)				Location of Gain or (Loss) Recognized in Income on Derivative (ineffective Portion and Amount Excluded from Effectiveness Testing)				Amount of Gain or (Loss) Recognized in Income on Derivative (ineffective Portion and Amount Excluded from Effectiveness Testing)
Foreign currency forward contracts for the three months ended September 30, 2013		$	506,509		Operating expenses		$	( 140,893	)			—				—
					Cost of revenues		$	500
Foreign currency forward contracts for the nine months ended September 30, 2013		$	63,942		Operating expenses		$	( 179,609	)			—				—
					Cost of revenues		$	( 1,741	)

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- Definition

Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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- Definition

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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