Stockholder's Equity - Stock Options, Additional Information (Details) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 200,000
Stock based compensation expense	2,279,496	$ 3,197,384
2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs	1,300,000
Employee Stock Option \| Pre-2017 Non-Qualified Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	1,235,000
Stock based compensation expense		152,000
Unrecognized compensation costs	0
Employee Stock Option \| 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 2,100,000	$ 3,000,000.0

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of noncash expense for share-based payment arrangement.

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