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Income Taxes - Additional Information (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Income Taxes |  |
Net Operating Losses For Tax Purposes | $ 69,600,000 |
Operating loss carry forwards estimated limitation | $ 686,000 |
Maximum percentage of operating loss carryforwards ownership limitation | 50.00% |
Federal income tax rate (as a percent) | 21.00% | 21.00%
Net deferred tax asset | $ 14,830,000 | $ 13,505,000
Accrued interest or penalties | $ 0 | $ 0

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- Definition The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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