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v3.21.1

Income Taxes (Rate Reconciliation) (Details) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Federal Statutory Income Tax Rate, Percent | 21.00% | 21.00%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent | (26.00%) | (18.00%)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent | (18.00%) |
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent | 2.00% | (2.00%)
Effective Income Tax Rate Reconciliation, State Income Tax Expense, Net of Federal Benefit, Percent | 0.00% | (1.00%)
Effective Income Tax Rate Reconciliation, Uncertain Tax Positions | 1.00% | (1.00%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent | 0.00% | (1.00%)
Effective Income Tax Rate Reconciliation, Percent | (3.00%) | (1.00%)
State and Local Jurisdiction [Member] |  |
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent | (1.00%) | 1.00%

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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance 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 S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 Reference 2: 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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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