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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2019
Income Tax Disclosure [Abstract] |
Schedule of components of income tax provision (benefit) | Components of the income tax (benefit) expense are as follows (in thousands):
| Years ended December 31,
| 2019 |  | 2018 |  | 2017
Current: |  |  |  |  |
Federal | $ | (22,923 | ) |  | $ | — |  |  | $ | (1,126 | )
State | (2,295 | ) |  | 97 |  |  | 587 |
Foreign | (238 | ) |  | (740 | ) |  | 488 |
Total current | (25,456 | ) |  | (643 | ) |  | (51 | )
Deferred: |  |  |  |  |
Federal | 23,910 |  |  | (6,585 | ) |  | 5,994 |
State | 1,345 |  |  | (89 | ) |  | 214 |
Foreign | — |  |  | 101 |  |  | (45 | )
Total deferred | 25,255 |  |  | (6,573 | ) |  | 6,163 |
Income tax (benefit) expense | $ | (201 | ) |  | $ | (7,216 | ) |  | $ | 6,112 |
Schedule of domestic and foreign net income (loss) before taxes | The components of (loss) income before income taxes are as follows (in thousands):
| Years ended December 31,
| 2019 |  | 2018 |  | 2017
United States | $ | (76,758 | ) |  | $ | (80,034 | ) |  | $ | (10,025 | )
Foreign | (178 | ) |  | (623 | ) |  | (1,367 | )
Loss before income taxes | $ | (76,936 | ) |  | $ | (80,657 | ) |  | $ | (11,392 | )
Schedule of effective income tax rate reconciliation | A reconciliation of the U.S. federal statutory tax rate to the effective income tax rate is as follows:
| Year ended December 31,
| 2019 |  | 2018 |  | 2017
Federal statutory tax rate | 21.0 | % |  | 21.0 | % |  | 35.0 | %
State income taxes, net of federal benefit | 0.6 |  |  | 0.8 |  |  | (3.2 | )
Non-U.S. income taxed at different rates | 0.5 |  |  | 0.8 |  |  | (4.3 | )
(Increase) decrease in valuation allowance | (19.9 | ) |  | (3.6 | ) |  | 0.1 |
Impact of 2017 Tax Cuts and Jobs Act | — |  |  | — |  |  | (64.2 | )
Net operating loss carryback adjustment | — |  |  | — |  |  | — |
Reduction in tax benefit related to stock-based awards | (0.1 | ) |  | (1.0 | ) |  | (16.9 | )
Non-deductible expenditures and goodwill | — |  |  | (9.0 | ) |  | (3.9 | )
Research and development credit | 0.2 |  |  | 0.3 |  |  | 3.6 |
Other | (2.0 | ) |  | (0.4 | ) |  | 0.1 |
Effective income tax rate | 0.3 | % |  | 8.9 | % |  | (53.7 | )%
Schedule of deferred tax assets and liabilities | The components of deferred tax assets and liabilities are as follows (in thousands):
| December 31,
| 2019 |  | 2018
Deferred tax assets: |  |  |
Net operating loss carryforwards | $ | 17,248 |  |  | $ | 30,241 |
Allowance for doubtful accounts | 1,037 |  |  | 1,073 |
Inventory valuation reserves | 629 |  |  | 1,057 |
Equity compensation | 353 |  |  | 548 |
Goodwill | 965 |  |  | 1,089 |
Accrued compensation | 587 |  |  | 342 |
Foreign tax credit carryforward | 3,894 |  |  | 4,041 |
Settlement liability | 3,530 |  |  | — |
Lease liability | 3,992 |  |  | — |
Interest expense limitation | — |  |  | 534 |
Other | 96 |  |  | 50 |
Total gross deferred tax assets | 32,331 |  |  | 38,975 |
Valuation allowance | (19,878 | ) |  | (4,042 | )
Total deferred tax assets, net | 12,453 |  |  | 34,933 |
Deferred tax liabilities: |  |  |
Property and equipment | (3,696 | ) |  | (6,613 | )
Intangible assets | (4,597 | ) |  | (9,657 | )
ROU asset | (3,793 | ) |  | — |
Prepaid insurance and other | (331 | ) |  | — |
Total gross deferred tax liabilities | (12,417 | ) |  | (16,270 | )
Net deferred tax assets | $ | 36 |  |  | $ | 18,663 |

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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