Stock-Based Compensation - Stock Incentive Plan (Details) - $ / shares	3 Months Ended	12 Months Ended
Mar. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment
Balance available, beginning of period	548,370	1,017,535
Deferred under non-employee director's deferral program	(38,100)	(114,005)
Balance available, end of period	178,643	548,370
Weighted Average Fair Value at Grant Date, Deferred under non-employee director's deferral program	$ 1.25	$ 1.76
Share-based Payment Arrangement, Nonemployee [Member]
Share-based Compensation Arrangement by Share-based Payment
Number of Shares, Granted	(21,627)	(59,660)
Weighted Average Fair Value at Grant Date, Granted	$ 1.25	$ 1.65
Share-based Payment Arrangement, Employee [Member]
Share-based Compensation Arrangement by Share-based Payment
Number of Shares, Granted	(310,000)	(295,500)
Weighted Average Fair Value at Grant Date, Granted	$ 1.25	$ 3.01

The per share price that the individual must pay to acquire shares under the deferred compensation arrangement.

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 (c)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Number of shares issued pursuant to the terms of a deferred compensation arrangement.

+ References

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-Publisher FASB
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-Section 50
-Paragraph 2
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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

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- Definition

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

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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-Publisher FASB
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