Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Tax Contingency [Line Items]
Net operating loss carry forwards (NOL)	$ 65,372	$ 67,322
Capital loss	3,394	3,515
Write-off of long-lived assets	508	526
Amortization of intangibles	422	(209)
Stock-based compensation	2,507	2,596
Deferred revenue	843us-gaap_DeferredTaxAssetsDeferredIncome	870us-gaap_DeferredTaxAssetsDeferredIncome
Alternative minimum tax credit carry forward	42	43
Accruals	93	3,206
Impairment loss	2,657	2,752
Derivative gain/loss	14,243	10,296
Interest expense	4,284neom_DeferredTaxAssetsInterestExpense	4,437neom_DeferredTaxAssetsInterestExpense
Total deferred tax assets	94,365us-gaap_DeferredTaxAssetsGross	95,354us-gaap_DeferredTaxAssetsGross
Valuation allowance	(94,365)	(95,354)
Net deferred tax asset	$ 0us-gaap_DeferredTaxAssetsNet	$ 0us-gaap_DeferredTaxAssetsNet

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