XML 40 R28.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Provision for Income Taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Income Tax Disclosure [Abstract] |
Schedule of Provision for Income Taxes Differs from Amount Expected by Applying Federal Statutory Rate to Loss Before Taxes | The provision for income taxes differs from the amount expected by applying the federal statutory rate to the loss before taxes as follows:
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Federal statutory income tax rate |  |  | 21.00 | % |  |  | 21.00 | %
Non-deductible expenses and other |  |  | (1.35 | )% |  |  | (1.54 | )%
Change in valuation allowance |  |  | (19.65 | )% |  |  | (19.46 | )%
Total |  |  | 0.00 | % |  |  | 0.00 | %
Schedule of Components of Deferred Tax Assets | As of December 31, 2019 and 2018, the components of the Company’s deferred tax assets are as follows (in thousands):
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Deferred tax assets: |  |  |  |  |  |  |  |
Federal and state net operating loss carryforwards |  | $ | 30,049 |  |  | $ | 16,076 |
Research and development credits carryforwards |  |  | 8,077 |  |  |  | 5,087 |
Depreciation |  |  | 6,052 |  |  |  | 3,942 |
Deferred Revenue |  |  | 3,277 |  |  |  | 3,909 |
Other |  |  | 2,965 |  |  |  | 1,724 |
Total deferred tax assets |  |  | 50,420 |  |  |  | 30,738 |
Less valuation allowance |  |  | (50,420 | ) |  |  | (30,738 | )
Net deferred tax assets |  | $ | - |  |  | $ | - |
Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Beginning balance |  | $ | 1,084 |  |  | $ | 622 |
Additions (decreases) for tax positions taken in a prior year |  |  | (7 | ) |  |  | 8 |
Additions for tax positions taken in current year |  |  | 1,088 |  |  |  | 454 |
Ending balance |  | $ | 2,165 |  |  | $ | 1,084 |

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 http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
Name: | us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum: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 http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
Name: | us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=117331294&loc=d3e36027-109320 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
Name: | us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration