| CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical) | 3 Months Ended | 
|---|---|
| Mar. 31, 2015 | |
| Reverse Stock Split 1 [Member] | |
| Reverse stock-split ratio | 0.33us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / us-gaap_StatementScenarioAxis = nct_ReverseStockSplit1Member | 
| Stock split effective date | August 18, 2014 close of trading | 
| Reverse Stock Split 2 [Member] | |
| Reverse stock-split ratio | 0.50us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / us-gaap_StatementScenarioAxis = nct_ReverseStockSplit2Member | 
| Stock split effective date | October 22, 2014 close of trading | 
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- Definition Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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- Details 
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