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Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Schedule Of Fair Value Of Embedded Conversion Features And Warrants [Abstract]
Beginning Balance	$ 6,718
Derivatives added in connection with issuance of debt and equity	4,762
Derivatives reclassified to equity in connection with repayment and conversion of debt	(20,075)
Net increase in fair value	8,595
Ending Balance

X

- Definition

Derivatives added in connection with issuance of debt and equity.

+ References

No definition available.

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Balance Type:	debit
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X

- Definition

Derivatives reclassified to equity in connection with repayment and conversion of debt.

+ References

No definition available.

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Namespace Prefix:	neond_
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- Definition

Net fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as assets, net of those classified as liabilities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

+ References

Reference 1: 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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