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Stock Options and Warrants - Summary of Unvested Shares (Details)	3 Months Ended
	Dec. 31, 2020 $ / shares shares
Share-based Payment Arrangement [Abstract]
Number of Nonvested Shares, Beginning | shares	762,917
Number of Nonvested Shares, Granted | shares	699,969
Number of Nonvested Shares, Forfeited | shares	(7,500)
Number of Nonvested Shares, Vested | shares	(342,485)
Number of Nonvested Shares, Ending | shares	1,112,901
Weighted Average Grant Date Fair Value Nonvested Shares Beginning | $ / shares	$ 10.60
Weighted Average Grant Date Fair Value, Granted | $ / shares	10.29
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	19.50
Weighted Average Grant Date Fair Value, Vested | $ / shares	10.15
Weighted Average Grant Date Fair Value Nonvested Shares Ending | $ / shares	$ 10.48

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

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

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

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Number of non-vested options outstanding.

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Number of non-vested options forfeited.

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Weighted average grant-date fair value of non-vested options forfeited.

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Weighted average grant-date fair value of non-vested options outstanding.

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Weighted average grant-date fair value of options vested.

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