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Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Expected federal statutory tax expenses(benefit)			$ (490)	$ (580)
Increase (reduction) in taxes resulting from:
Change in valuation allowance			1,396	25,178
Rate changes			34	55
Basis difference in NLEX trade name			(960)	0
Other			23	14
Income tax expense	$ 0	$ 0	$ 3	$ 24,667

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Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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