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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Taxes |
Schedule of income (loss) before income taxes |
|  | Year Ended
|  | December 31,
|  | 2020 |  | 2019
U.S. |  | $ | (28,699) |  | $ | (32,875)
Foreign |  |  | 1,183 |  |  | (28)
Loss before income taxes |  | $ | (27,516) |  | $ | (32,903)
Schedule of Company's current and deferred expense for income tax |
|  | Year Ended
|  | December 31,
|  | 2020 |  | 2019
Current expense (benefit): |  |  |  |  |  |
Federal |  | $ | — |  | $ | —
State |  |  | — |  |  | —
Foreign |  |  | 40 |  |  | —
Total current expense (benefit): |  | $ | 40 |  | $ | —
Deferred expense (benefit): |  |  |  |  |  |
Federal |  | $ | — |  | $ | —
State |  |  | — |  |  | —
Foreign |  |  | (42) |  |  | (3)
Total deferred expense (benefit): |  | $ | (42) |  | $ | (3)
Total income tax expense (benefit): |  | $ | (2) |  | $ | (3)
Schedule of reconciliation of the Company's statutory income tax rate to the Company's effective income tax rate |
|  | Year Ended |
|  | December 31, |
|  | 2020 |  | 2019 |
Income at US Statutory Rate |  | 21.00 | % | 21.00 | %
State Taxes, net of Federal benefit |  | 6.97 | % | 6.79 | %
Permanent Differences |  | (1.09) | % | (0.33) | %
Tax Credits |  | 5.98 | % | 3.30 | %
Tax Law Change |  | (0.04) | % | 0.00 | %
Foreign Rate Differential |  | (0.46) | % | 0.07 | %
Israel DTA write-off |  | (70.15) | % | 0.00 | %
Valuation Allowance |  | 36.56 | % | (40.18) | %
Other |  | 1.23 | % | 9.35 | %
|  | 0.00 | % | 0.00 | %
Schedule of significant components of the Company's deferred tax assets |
|  | Year Ended
|  | December 31,
|  | 2020 |  | 2019
Accrued expenses |  |  | 455 |  |  | 277
License Fees |  |  | 1,168 |  |  | 1,332
Stock Options |  |  | 3,759 |  |  | 2,584
Other |  |  | 228 |  |  | 115
State net operating loss carryforwards |  |  | 8,959 |  |  | 7,431
State research tax credits |  |  | 625 |  |  | 510
Federal net operating loss carryforwards |  |  | 33,711 |  |  | 47,845
Federal research tax credits |  |  | 4,943 |  |  | 3,770
Total deferred tax assets |  |  | 53,848 |  |  | 63,864
Valuation allowance |  |  | (53,669) |  |  | (63,737)
Net deferred tax asset (liability) |  |  | 179 |  |  | 127

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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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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