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Summary of Significant Accounting Polices (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Future Amortization Expense of Finite-Lived Intangible Assets | The estimated aggregate amortization expense for intangible assets, excluding goodwill, for each of the remaining years of the estimated useful life is as follows (in thousands):
2021 |  | $ | 75 |
2022 |  |  | 75 |
2023 |  |  | 75 |
2024 |  |  | 26 |
2025 and thereafter |  |  | 36 |
Total |  | $ | 287 |
Reconciliation of Basic to Diluted Weighted Average Shares Outstanding | The warrants and options were excluded from these calculations because the impact of the assumed exercise of such warrants and stock options would have been anti-dilutive.
|  | Years Ended December 31, |
|  | 2020 |  |  | 2019 |
Weighted average shares outstanding - basic |  |  | 5,173,430 |  |  |  | 4,883,923 |
Effect of diluted securities |  |  | 43,429 |  |  |  | 93,672 |
Weighted average shares outstanding - diluted |  |  | 5,216,859 |  |  |  | 4,977,595 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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