XML 59 R29.htm IDEA: XBRL DOCUMENT
v3.20.1

Income Taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Income Tax Disclosure [Abstract] |
Schedule of Effective Income Tax Rate Reconciliation | Reconciliations of the differences between the benefit for income taxes and income taxes at the statutory U.S. federal income tax rate is as follows (dollars in thousands):
|  | 2019 |  |  | 2018 |
|  | Amount |  |  | Percent of Pretax Income |  |  | Amount |  |  | Percent of Pretax Income |
Income taxes from continuing operations at statutory rate |  | $ | (11,279 | ) |  |  | 21.0 | % |  | $ | (4,033 | ) |  |  | 21.0 | %
State income taxes |  |  | (3,778 | ) |  |  | 7.0 | % |  |  | (985 | ) |  |  | 5.1 | %
State effect of permanent items |  |  | 285 |  |  |  | (0.5 | )% |  |  | (585 | ) |  |  | 3.0 | %
Stock-based compensation |  |  | 100 |  |  |  | (0.2 | )% |  |  | 94 |  |  |  | (0.5 | )%
Deferred rate change |  |  | (905 | ) |  |  | 1.6 | % |  |  | 438 |  |  |  | (2.3 | )%
Warrants issuance |  |  | 733 |  |  |  | (1.4 | )% |  |  | (2,492 | ) |  |  | 13.0 | %
Other |  |  | 883 |  |  |  | (1.5 | )% |  |  | 71 |  |  |  | (0.3 | )%
NOL sale |  |  | — |  |  |  | — |  |  |  | (3,938 | ) |  |  | 20.5 | %
R&D credit adjustment |  |  | (2,760 | ) |  |  | 5.1 | % |  |  | — |  |  |  | — |
Increase in valuation allowance |  |  | 16,721 |  |  |  | (31.1 | )% |  |  | 4,694 |  |  |  | (24.4 | )%
Total income tax benefit |  | $ | — |  |  |  | — | % |  | $ | (6,736 | ) |  |  | 35.1 | %
Schedule of Deferred Tax Assets and Liabilities | The components of deferred tax assets and liabilities as of December 31, 2019 and 2018 are as follows (in thousands):
|  | December 31, |
|  | 2019 |  |  | 2018 |
Noncurrent deferred tax assets (liabilities) |  |  |  |  |  |  |  |
Accrued expenses |  | $ | 107 |  |  | $ | 132 |
Stock-based compensation |  |  | 2,436 |  |  |  | 1,911 |
Lease liability |  |  | 945 |  |  |  | — |
Other |  |  | (856 | ) |  |  | (31 | )
Net operating loss carryforwards |  |  | 58,073 |  |  |  | 44,730 |
Research and development credits |  |  | 5,984 |  |  |  | 3,226 |
Total deferred tax assets |  |  | 66,689 |  |  |  | 49,968 |
Valuation allowances |  |  | (66,689 | ) |  |  | (49,968 | )
Net deferred tax assets |  | $ | — |  |  | $ | — |
Schedule of Unrecognized Tax Benefits Roll Forward | The following is a tabular reconciliation of the total amounts of unrecognized tax benefits as of December 31, 2019 and 2018 (in thousands):
|  | December 31, |
|  | 2019 |  |  | 2018 |
Unrecognized tax benefit—January 1 |  | $ | 436 |  |  | $ | 436 |
Additions for tax positions of current period |  |  | — |  |  |  | — |
Additions for tax positions of prior periods |  |  | — |  |  |  | — |
Deferred rate change |  |  | — |  |  |  | — |
Unrecognized tax benefit—December 31 |  | $ | 436 |  |  | $ | 436 |

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