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Schedule of Incentive Bonus Awards Granted to Employees (Details) - Incentive Stock Bonus Awards [Member] - 2017 Equity Incentive Plan [Member] - Employees [Member] - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Nonvested, Ending			11,200
Weighted Average Grant-date Fair Value, Ending			$ 16.80
Aggregated Intrinsic Value, Nonvested Beginning			$ 124,320
Number of Shares, Awarded
Weighted Average Grant-date Fair Value, Awarded
Number of Shares, Vested		(11,200)
Weighted Average Grant-Date Fair Value, Vested		$ 16.80
Number of Shares, Forfeited
Weighted Average Grant-date Fair Value, Forfeited

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Number of non-vested options outstanding.

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Per share or unit weighted-average intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ 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
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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