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Stock-based Compensation - Additional Information (Details) - USD ($) |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 29, 2015 | May 31, 2018 | May 31, 2017 | Jan. 31, 2017 | May 31, 2016 | Aug. 31, 2015 | Aug. 31, 2014 | Dec. 31, 2019 | Dec. 31, 2018 | Feb. 29, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Securities remaining and available for future issuances (in shares) |  |  |  |  |  |  |  | 97,866 |  |
Stock Option Activity [Abstract] |  |  |  |  |  |  |  |  |  |
Stock option vesting period |  |  |  |  |  |  |  | 4 years |  |
Stock option contractual term |  |  |  |  |  |  |  | 10 years |  |
Stock option vesting provisions |  |  |  |  |  |  |  | 12/48 of a granted award will vest after one year of service, while an additional 1/48 of the award will vest at the end of each month thereafter for 36 months, or 1/48 of the award will vest at the end of each month over a four-year period. |  |
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 |  |  |  |  |  |  |  | $ 58,000 |  |
Weighted average period for recognition of cost |  |  |  |  |  |  |  | 1 year 4 months 20 days |  |
2014 Plan [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares to be issued (in shares) |  | 15,000 | 4,000 |  | 666 | 603 | 530 | 80,000 |  |
Securities remaining and available for future issuances (in shares) |  |  |  |  |  |  |  | 99,699 |  |
2015 Plan [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares to be issued (in shares) | 133 |  |  | 500 |  |  |  |  |  |
Securities remaining and available for future issuances (in shares) |  |  |  |  |  |  |  | 30 |  |
2015 Plan [Member] | Subsequent Event [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

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- Definition Gross number of shares (or other type of equity) which are to be issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References No definition available. + 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=116856206&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=116856206&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=116856206&loc=d3e5070-113901 + Details
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