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Note 14 - Stockholders' Equity (Details) - Schedule of Stockholders' Equity Note, Warrants or Rights - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Schedule of Stockholders' Equity Note, Warrants or Rights [Abstract] |  |
Number of Warrants Outstanding | 2,050,001 | 2,050,001
Warrants Outstanding, Average Exercise Price |  | $ 2.74
Warrants Outstanding, Weighted Average Remaining Contractual Term in Years | 4 years 204 days | 4 years 299 days
Exercisable at March 31, 2016 | 2,050,001 |
Exercisable at March 31, 2016 | $ 2.74 |
Exercisable at March 31, 2016 | 4 years 204 days |
Granted | 0 |
Granted | $ 0 |
Exercised / surrendered | 0 |
Exercised / surrendered | $ 0 |
Expired | 0 |
Expired | $ 0 |
Number of Warrants Outstanding | 2,050,001 | 2,050,001
Warrants Outstanding, Average Exercise Price | $ 2.74 |

X
- Definition Aggregate amount of each class of warrants or rights exercisable. + References No definition available. + Details
Name: | nvfy_ClassOfWarrantOrRightsExercisable
Namespace Prefix: | nvfy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate amount of each class of warrants or rights exercised. + References No definition available. + Details
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Namespace Prefix: | nvfy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate amount of each class of warrants or rights expired. + References No definition available. + Details
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Namespace Prefix: | nvfy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of each class of warrants or rights exercisable. + References No definition available. + Details
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Namespace Prefix: | nvfy_
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X
- Definition The weighted average exercise price of each class of warrants or rights exercised. + References No definition available. + Details
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Namespace Prefix: | nvfy_
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X
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Namespace Prefix: | nvfy_
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Balance Type: | na
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X
- Definition The weighted average exercise price of each class of warrants or rights granted. + References No definition available. + Details
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Namespace Prefix: | nvfy_
Data Type: | num:perShareItemType
Balance Type: | na
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X
- Definition The weighted average exercise price of each class of warrants or rights outstanding. + References No definition available. + Details
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Namespace Prefix: | nvfy_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
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Namespace Prefix: | nvfy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
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X
- Definition Weighted average remaining contractual term for warrants exercisable. + References No definition available. + Details
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Namespace Prefix: | nvfy_
Data Type: | xbrli:durationItemType
Balance Type: | na
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- Definition Weighted average remaining contractual term for warrants outstanding. + References No definition available. + Details
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Namespace Prefix: | nvfy_
Data Type: | xbrli:durationItemType
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X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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