XML 40 R27.htm IDEA: XBRL DOCUMENT
v3.22.4

Income Taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Income Tax Disclosure [Abstract] |
Summary of Reconciliation of Statutory IncomeTax Rate | The following table reconciles the United States statutory income tax rate to the Company’s effective income tax rate:
|  | Year ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
United States statutory rate |  |  | 21.0 | % |  |  | 21.0 | % |  |  | 21.0 | %
State tax, net of federal benefit |  |  | 1.0 | % |  |  | 1.0 | % |  |  | 4.2 | %
Stock-based compensation |  |  | (1.7 | %) |  |  | (0.7 | %) |  |  | (0.5 | %)
Officer compensation |  |  | (1.4 | %) |  |  | 1.5 | % |  |  | (1.0 | %)
Deferred rate change |  |  | — | % |  |  | — | % |  |  | — | %
R&D credit |  |  | 2.2 | % |  |  | 1.4 | % |  |  | 0.8 | %
PPP Loan |  |  | — | % |  |  | 1.1 | % |  |  | — | %
Unrealized (gain) loss on mark-to-market of common stock warrants |  |  | 6.4 | % |  |  | — | % |  |  | — | %
Other |  |  | — | % |  |  | 0.1 | % |  |  | (0.1 | )%
Change in valuation allowance |  |  | (27.5 | %) |  |  | (25.4 | %) |  |  | (24.4 | %)
Effective income tax rate |  |  | — | % |  |  | — | % |  |  | — | %
Schedule of Deferred Tax Assets And Liabilities | Deferred assets and liabilities consist of the following:
|  | December 31, |
In Thousands |  | 2022 |  |  | 2021 |  |  | 2020 |
Net operating losses |  | $ | 40,914 |  |  | $ | 38,671 |  |  | $ | 33,392 |
Stock-based compensation |  |  | 2,950 |  |  |  | 2,724 |  |  |  | 2,531 |
Financing lease obligations |  |  | — |  |  |  | 3,820 |  |  |  | 4,574 |
Operating lease ROU liabilities |  |  | 2,921 |  |  |  | — |  |  |  |  |
Tax credit carry forwards |  |  | 3,685 |  |  |  | 3,210 |  |  |  | 2,577 |
Capitalized R&D |  |  | 2,183 |  |  |  | — |  |  |  |  |
Compensation |  |  | 14 |  |  |  | 514 |  |  |  | 339 |
Derivative liability |  |  | — |  |  |  | — |  |  |  | 703 |
Other |  |  | 124 |  |  |  | 143 |  |  |  | 391 |
Gross deferred tax assets |  |  | 52,791 |  |  |  | 49,082 |  |  |  | 44,507 |
Less valuation allowance |  |  | (49,843 | ) |  |  | (45,369 | ) |  |  | (39,898 | )
Net deferred tax assets |  |  | 2,948 |  |  |  | 3,713 |  |  |  | 4,609 |
Fixed assets |  |  | (89 | ) |  |  | (3,667 | ) |  |  | (4,609 | )
Operating lease ROU assets |  |  | (2,859 | ) |  |  | — |  |  |  |  |
Other |  |  | — |  |  |  | (46 | ) |  |  | — |
Gross deferred tax liabilities |  |  | (2,948 | ) |  |  | (3,713 | ) |  |  | (4,609 | )
Net deferred tax asset or liability |  | $ | — |  |  | $ | — |  |  | $ | — |

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
Name: | us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration