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Stock-Based Incentive Plan - Narrative (Details) | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Nov. 06, 2020 shares | Sep. 30, 2020 USD ($) shares | Sep. 30, 2019 USD ($) tranche shares | Dec. 08, 2016 shares
Stock-Based Incentive Plan |  |  |  |
Granted (in shares) |  | 0 |  |
Restricted Stock and Contingent Restricted Stock |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Stock-based compensation expense | $ |  | $ 300,351 | $ 332,013 |
Restricted Stock, Service-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Granted (in shares) |  | 0 |  |
Restricted Stock, Market-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Granted (in shares) |  | 0 |  |
Restricted Stock and Contingent Restricted Stock, Other |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Vesting period |  | 1 year |  |
Restricted Stock, Performance-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Performance based awards, outstanding (in shares) |  | 0 |  |
2016 Plan |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Number of shares of common stock authorized for issuance under plan (in shares) |  |  |  | 1,100,000
Number of shares remaining available for grant under plan (in shares) |  | 390,489 |  |
2016 Plan | Subsequent Event |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Number of additional shares authorized (in shares) | 2,500,000 |  |  |
Minimum | Restricted Stock, Service-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Vesting period |  | 3 years |  |
Minimum | Restricted Stock, Market-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Vesting period |  | 2 years |  |
Maximum | Restricted Stock and Contingent Restricted Stock |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Expiration period |  | 4 years |  |
Maximum | Restricted Stock, Service-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Vesting period |  | 4 years |  |
Maximum | Restricted Stock, Market-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Vesting period |  | 3 years |  |
Chief Executive Officer | Restricted Stock, Service-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Granted (in shares) |  |  | 48,872 |
Number of vesting tranches | tranche |  |  | 3 |
Chief Executive Officer | Restricted Stock, Market-Based |  |  |  |
Stock-Based Incentive Plan |  |  |  |
Granted (in shares) |  |  | 200,000 |
Number of vesting tranches | tranche |  |  | 4 |

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