Stockholders' Equity - Common Stock (Details) - USD ($)	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from stock option and warrant exercises	$ 2,162,058	$ 685,101
Common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock newly-issued during the period (in shares)	340,214

Number of new stock issued during the period.

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-Name Accounting Standards Codification
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Period Type:	duration