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Commitments and Contingencies (Details 2) - 2015 Omnibus Incentive Plan [Member] - USD ($)	6 Months Ended	12 Months Ended
	Mar. 31, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding at beginning	10,076,266	8,462,933
Weighted Average Exercise Price Outstanding at beginning	$ 3.48	$ 3.58
Aggregate intrinsic value Outstanding at beginning	$ 14,982,581	$ 4,115,032
Options Granted	1,305,000	1,695,000
Weighted Average Exercise Price Granted	$ 5.93	$ 2.96
Weighted Average Grant Date Fair Value Granted	$ 4.47	$ 2.27
Options Forfeited	(29,167)	(68,332)
Weighted Average Exercise Price Forfeited	$ 1.44	$ 3.01
Option Exercised	(346,900)	(13,335)
Weighted Average Exercise Price Exercised	$ 2.88	$ 3.15
Options Outstanding at ending	11,005,199	10,076,266
Weighted Average Exercise Price Outstanding at ending	$ 3.79	$ 3.48
Aggregate intrinsic value Outstanding at ending	$ 122,805,858	$ 14,982,581
Options Exercisable	7,513,533
Weighted Average Exercise Price, Exercisable	$ 3.65
Aggregate intrinsic value Exercisable	$ 84,890,710

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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