Supplemental Cash Flow Disclosures (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Condensed Cash Flow Statements, Captions [Line Items]
Conversion of convertible debt to common stock	$ 0	$ 2,936,423
Reclassification of the unamortized balance of debt discount and derivative liability, related to the extinguishment and conversion of the subordinated convertible debt, to additional paid-in capital	0	2,860,627
Derivative liability created from conversion option embedded in Deerfield convertible credit facility	$ 0	$ 3,567,835
Warrants issued in connection with convertible debt and equity facility	0	7,681,188

The amount of derivative Liability created from embedded options in convertible debt.

No definition available.

Name:	nuot_DerivativeLiabilityFromConvertibleDebtEmbeddedConversionOption
Namespace Prefix:	nuot_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of derivative Liability created from warrants issued related to convertible debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	nuot_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the reclassification of debt discount and derivative liability upon extinguishment of debt as a part of non-cash transaction during the reporting period.

+ References

No definition available.

+ Details

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Namespace Prefix:	nuot_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_CondensedCashFlowStatementsCaptionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration