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Fair Value Measurements (Details Textual) (USD $)
1 Months Ended 12 Months Ended
Feb. 28, 2014
Dec. 31, 2014
Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Time Deposits, at Carrying Value $ 53,000us-gaap_TimeDepositsAtCarryingValue    
Time Deposits Annual Interest Rate 0.10%nuot_TimeDepositsAnnualInterestRate    
Time Deposits Maturity Date Jun. 24, 2015    
Impairment of Intangible Assets (Excluding Goodwill)   4,683,829us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill 0us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Trademarks [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Impairment of Intangible Assets (Excluding Goodwill)   1,025,000us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
 
In Process Research and Development [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Impairment of Intangible Assets (Excluding Goodwill)   $ 3,659,000us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InProcessResearchAndDevelopmentMember