Stock-Based Compensation (Narrative) (Details) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement [Abstract]
Number of shares reserved for issuance under 2015 Stock Incentive Plan	1,400,000
Expiration period for stock options	10 years
Compensation costs for incentive stock options	$ 219,718	$ 55,828
Stock options granted during period		640,000
Number of shares vested during the period	179,999	183,333
Unrecognized compensation cost related to share-based compensation arrangements	$ 405,449
Unrecognized compensation cost related to share-based compensation arrangements recognition period	2 years

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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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Amount of cost to be recognized for option under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options vested.

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Amount of noncash expense for option under share-based payment arrangement.

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-Name Accounting Standards Codification
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