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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Current |  |
Various reserves | $ 162 | $ 199
Nondeductible accruals | 1,879 | 1,352
Prepaid expenses | (101) | (95)
Other | 22 | 43
Valuation allowance | (1,810) | (1,410)
Total Current | 152 | 89
Non- current |  |
Credit carryforwards | 3,708 | 3,708
Net operating loss carryforwards | 38,204 | 23,808
Nondeductible accruals | 606 |
Fixed assets | 1,498 | 1,299
Amortization | 28,537 | 31,483
Identifiable intangibles acquired | (2,250) | (2,239)
Equity based compensation | 301 | 934
Other | 14 | 24
Valuation allowance | (70,772) | (59,108)
Total Non-current | $ 154 | $ 91

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