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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Taxes |
Schedule for Deferred Tax Assets |
|  | 2020 |  |  | 2019 |
Capitalized start-up costs |  | $ | 0.1 |  |  | $ | 0.4 |
Stock-based compensation |  |  | 3.3 |  |  |  | 3.0 |
Patent impairment provision |  |  | 0.3 |  |  |  | — |
Accrued legal settlement |  |  | 1.1 |  |  |  | — |
Partnership basis differences |  |  | — |  |  |  | (0.3 | )
Net operating loss carry-forward |  |  | 24.3 |  |  |  | 22.3 |
Research and development tax credits |  |  | 0.3 |  |  |  | 0.3 |
Less: valuation allowance |  |  | (29.4 | ) |  |  | (25.7 | )
Total |  | $ | — |  |  | $ | — |
Summary of income taxes (benefit) |
|  | December 31, |  |  | December 31, |
|  | 2020 |  |  | 2019 |
Tax benefit at US federal statutory rates |  | $ | (3.0 | ) |  | $ | (2.2 | )
Tax benefit at state statutory rates |  |  | (0.6 | ) |  |  | (0.1 | )
Tax benefit from federal and state R&D tax credits |  |  | (0.1 | ) |  |  | (0.1 | )
Increase in valuation allowance |  |  | 3.7 |  |  |  | 2.4 |
Total provision for income tax benefit |  | $ | — |  |  | $ | — |

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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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