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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2019
Income Tax Disclosure [Abstract] |
Schedule of Loss Before Income Taxes | Loss before taxes consists of:
(in thousands) |  | December 31, 2019 |  |  | December 31, 2018 |
Domestic |  | $ | (4,882 | ) |  | $ | (12,961 | )
Foreign |  |  | (3,997 | ) |  |  | (6,261 | )
Income (loss) before taxes |  | $ | (8,879 | ) |  | $ | (19,222 | )
Income tax reconciliation | The provision for income taxes differs from the amount computed by applying the statutory rate as follows:
(in thousands) |  | December 31, 2019 |  |  | December 31, 2018 |
Income taxes using U.S federal statutory rate |  | $ | (1,865 | ) |  | $ | (4,037 | )
Tax Cuts and Jobs Act |  |  | — |  |  |  | — |
Nondeductible interest |  |  | 994 |  |  |  | 2,273 |
Loss on extinguishment of debt |  |  | 361 |  |  |  | 236 |
Loss of tax benefit of federal net operating loss carryforwards |  |  | — |  |  |  | (588 | )
Loss of tax benefit of state net operating loss carryforwards |  |  | 1,477 |  |  |  | 1,040 |
Loss of tax benefit of federal tax credit carryforwards |  |  | 324 |  |  |  | 495 |
Amortization of gain on IP migration |  |  | — |  |  |  | — |
State income taxes, net of federal benefit |  |  | (1,461 | ) |  |  | (2,355 | )
Foreign rate differential |  |  | 664 |  |  |  | 1,166 |
Valuation allowance |  |  | 3,512 |  |  |  | 6,323 |
Derivative charge |  |  | (3,674 | ) |  |  | (4,138 | )
Stock option exercises and cancellations |  |  | — |  |  |  | 215 |
Research and development costs |  |  | (316 | ) |  |  | (636 | )
Other |  |  | (16 | ) |  |  | 6 |
|  | $ | — |  |  | $ | — |
Significant components of deferred tax assets | Significant components of the Company’s deferred tax assets are as follows:
(in thousands) |  | December 31, 2019 |  |  | December 31, 2018 |
Deferred tax assets: |  |  |  |  |  |  |  |
Equity compensation |  | $ | 84 |  |  | $ | — |
Accrued liabilities |  |  | — |  |  |  | 519 |
Research tax credits |  |  | 135 |  |  |  | 161 |
Lease obligation |  |  | 206 |  |  |  |  |
Other |  |  | 72 |  |  |  | 60 |
Net operating losses |  |  | 14,502 |  |  |  | 10,624 |
Total deferred tax assets |  | $ | 14,999 |  |  | $ | 11,364 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Beneficial conversion feature |  |  | — |  |  |  | — |
Right of use asset |  |  | 206 |  |  |  | — |
Other |  |  | — |  |  |  | — |
Total deferred tax liabilities |  |  | 206 |  |  |  | — |
Valuation allowance |  |  | 14,793 |  |  |  | 11,364 |
Net deferred tax assets |  | $ | — |  |  | $ | — |
Summary of Change in Valuation | The change in valuation is as follows:
(in thousands) |  | December 31, 2019 |  |  | December 31, 2018 |
Beginning balance |  | $ | 11,364 |  |  | $ | 5,972 |
Charged to costs and expenses |  |  | 3,512 |  |  |  | 6,323 |
Charged to additional paid-in capital |  |  | — |  |  |  | — |
Charged to retained earnings |  |  | — |  |  |  | (834 | )
Charged to other comprehensive income |  |  | (83 | ) |  |  | (97 | )
Ending balance |  | $ | 14,793 |  |  | $ | 11,364 |

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