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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred income tax assets |  |
Net operating loss carry forwards | $ 48,003 | $ 44,754
Credit carry forwards | 3,708 | 3,708
Fixed Assets | 1,181 | 1,466
Intangibles | 19,588 | 23,029
Equity based compensation | 311 | 279
Nondeductible accruals | 1,977 | 2,382
Various reserves | 142 | 149
Other | 56 | 51
Valuation Allowance | (74,907) | (75,744)
Total deferred income taxes - net | 59 | 74
Deferred income tax liabilities |  |
Prepaid expenses | (59) | (74)
Total deferred income liabilities | (59) | (74)
Net deferred income tax assets (liabilities) | $ 0 | $ 0

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