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Subsequent Events - Additional Information (Details) - USD ($) |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 28, 2022 | Mar. 01, 2022 | Jan. 14, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Subsequent Event [Line Items] |  |  |  |  |
Common stock, par value |  |  |  | $ 0.01 | $ 0.01
Issuance of common stock, net of expenses |  |  |  | $ 6,215,234 |
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Common stock, par value |  |  | $ 0.01 |  |
Aggregate offering price |  |  | $ 15,000,000 |  |
Issuance of common stock, net of expenses |  |  | $ 403,364 |  |
Number of shares, granted |  |  | 65,843 |  |
Sales commissions |  |  | $ 8,069 |  |
Cash dividend declared |  | $ 0.065 |  |  |
Dividend declared date |  | Mar. 01, 2022 |  |  |
Dividend payable date |  | Mar. 31, 2022 |  |  |
Dividend record date |  | Mar. 15, 2022 |  |  |
Subsequent Event | Performance Based Grants |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of shares, granted | 15,025 |  |  |  |
2017 Equity Incentive Plan | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Restricted share awards authorized | 26,025 |  |  |  |
Remaining vesting period | 4 years |  |  |  |
2017 Equity Incentive Plan | Subsequent Event | Minimum |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Stock vested percentage based on achievement of goal | 0.00% |  |  |  |
2017 Equity Incentive Plan | Subsequent Event | Maximum |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Stock vested percentage based on achievement of goal | 200.00% |  |  |  |

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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