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Income Taxes - Effective Income Tax Benefit Differed from Statutory Federal Income Tax Rate (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Tax on continuing operating loss before income taxes | $ (20,117) | $ (264) |
Non-deductible contingent earn out costs | 4,862 |  |
Non-deductible acquisition costs | 366 | 101 |
Other permanent differences | 185 | 3 |
Effect of state taxes (net of federal tax benefit) | (1,800) | (7) |
Others | (79) |  |
Benefit for income taxes | $ (16,583) | $ (167) | [1]
Tax on continuing operating loss before income taxes | 34.00% | 34.00% |
Non-deductible contingent earn out costs | (8.20%) | (0.00%) |
Non-deductible acquisition costs | (0.60%) | (0.20%) |
Other permanent differences | (0.30%) | (0.00%) |
Effect of state taxes (net of federal tax benefit) | 3.00% | (0.00%) |
Others | 0.10% | (0.00%) |
Benefit related to income taxes | 28.00% | 33.80% |
[1] | As IDI Holdings, LLC, the accounting acquirer of the merger consummated effective as of March 21, 2015, was incorporated on September 22, 2014, the comparative figures for the corresponding period in 2014 were from the date of inception through December 31, 2014.

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