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Income Taxes - Schedule of Reconciliation Statutory Federal Income Tax Provision to Actual Income Tax Benefit (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |
Federal statutory rate | (21.00%) | (35.00%)
State taxes, net of federal benefit | (2.90%) | (5.10%)
Return to provision | 0.00% | (0.20%)
Equity related expenses | (10.70%) | (10.40%)
Change in statutory rate | 0.00% | 272.70%
Change in valuation allowance | 17.70% | (221.10%)
Goodwill impairment | 14.70% | 0.00%
Other permanent differences | 2.20% | 0.10%
Total income tax expense | 0.00% | 0.00%
Pre-tax book income at statutory rate | $ (1,845) | $ (3,265)
State taxes, net of federal benefit | (252) | (479)
Return to provision | 4 | (21)
Equity related expenses | 501 | (970)
Changer in statutory rate |  | 25,447
Change in valuation allowance | 1,556 | (20,723)
Other | 36 | 11
Total income tax expense |  |

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