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Stock-based Compensation - Additional Information (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Jun. 16, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Feb. 06, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Common stock shares to be issued (in shares) |  | 530,000 |  |
Stock Option Activity [Abstract] |  |  |  |
Stock option vesting percentage |  | 25.00% |  |
Stock option contractual term |  | 10 years |  |
Weighted Average Remaining Contractual Terms [Abstract] |  |  |  |
Stock options exercised |  | $ 0 | $ 0 |
Dividend yield assumed |  | 0 |  |
Total unamortized compensation cost related to outstanding unvested stock options and restricted stock awards |  | $ 704,000 |  |
Weighted average period for recognition of cost |  | 2 years 9 months 21 days |  |
Minimum [Member] |  |  |  |
Stock Option Activity [Abstract] |  |  |  |
Stock option vesting period |  | 2 years |  |
Maximum [Member] |  |  |  |
Stock Option Activity [Abstract] |  |  |  |
Stock option vesting period |  | 4 years |  |
2015 Plan [Member] |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Increased in the total number of shares of common stock reserved for issuance |  |  |  | 250,000
Securities remaining and available for future issuances (in shares) |  | 210,389 |  |
2020 Plan [Member] |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Securities remaining and available for future issuances (in shares) |  | 159,939 |  |
Common stock shares to be issued (in shares) | 550,000 |  |  |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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