Stockholders' Equity - Schedule of Outstanding Stock Options (Details) - Stock Options [Member]	12 Months Ended
Dec. 31, 2020 $ / shares shares
Range of Exercise Prices, Upper Range Limit	$ 10
Range of Exercise Prices, Lower Range Limit	$ 1.7
Weighted Average residual life span (in years)	5 years 3 months 26 days
Outstanding Stock Options \| shares	1,811,550
Weighted Average Exercise Price	$ 4.05
Exercisable Stock Options \| shares	999,988
Weighted Average Exercise Price	$ 5.32
Exercise Price Range 1 [Member]
Range of Exercise Prices, Upper Range Limit	$ 1.70
Weighted Average residual life span (in years)	1 year 1 month 16 days
Outstanding Stock Options \| shares	114,050
Weighted Average Exercise Price	$ 1.70
Exercisable Stock Options \| shares	114,050
Weighted Average Exercise Price	$ 1.70
Exercise Price Range 2 [Member]
Range of Exercise Prices, Upper Range Limit	$ 2.20
Weighted Average residual life span (in years)	7 months 2 days
Outstanding Stock Options \| shares	175,000
Weighted Average Exercise Price	$ 2.20
Exercisable Stock Options \| shares	175,000
Weighted Average Exercise Price	$ 2.20
Exercise Price Range 3 [Member]
Range of Exercise Prices, Upper Range Limit	$ 2.40
Weighted Average residual life span (in years)	2 years 2 months 5 days
Outstanding Stock Options \| shares	272,000
Weighted Average Exercise Price	$ 2.40
Exercisable Stock Options \| shares	272,000
Weighted Average Exercise Price	$ 2.40
Exercise Price Range 4 [Member]
Range of Exercise Prices, Upper Range Limit	$ 4.20
Weighted Average residual life span (in years)	4 years 3 months 19 days
Outstanding Stock Options \| shares	10,000
Weighted Average Exercise Price	$ 4.20
Exercisable Stock Options \| shares	5,000
Weighted Average Exercise Price	$ 4.20
Exercise Price Range 5 [Member]
Range of Exercise Prices, Upper Range Limit	$ 4.40
Weighted Average residual life span (in years)	8 years 4 months 20 days
Outstanding Stock Options \| shares	454,250
Weighted Average Exercise Price	$ 4.40
Exercisable Stock Options \| shares	88,000
Weighted Average Exercise Price	$ 4.40
Exercise Price Range 6 [Member]
Range of Exercise Prices, Upper Range Limit	$ 4.84
Weighted Average residual life span (in years)	9 years 9 months
Outstanding Stock Options \| shares	380,000
Weighted Average Exercise Price	$ 4.84
Exercisable Stock Options \| shares
Weighted Average Exercise Price	$ 4.84
Exercise Price Range 7 [Member]
Range of Exercise Prices, Upper Range Limit	$ 5.00
Weighted Average residual life span (in years)	2 years 6 months 7 days
Outstanding Stock Options \| shares	147,500
Weighted Average Exercise Price	$ 5.00
Exercisable Stock Options \| shares	87,188
Weighted Average Exercise Price	$ 5.00
Exercise Price Range 8 [Member]
Range of Exercise Prices, Upper Range Limit	$ 5.40
Weighted Average residual life span (in years)	2 years 11 months 1 day
Outstanding Stock Options \| shares	133,750
Weighted Average Exercise Price	$ 5.40
Exercisable Stock Options \| shares	133,750
Weighted Average Exercise Price	$ 5.40
Exercise Price Range 9 [Member]
Range of Exercise Prices, Upper Range Limit	$ 10.00
Weighted Average residual life span (in years)	3 years 10 months 21 days
Outstanding Stock Options \| shares	125,000
Weighted Average Exercise Price	$ 10.00
Exercisable Stock Options \| shares	125,000
Weighted Average Exercise Price	$ 10.00

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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 (g)
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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ 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)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ 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)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ 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)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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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- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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