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Stockholders' Equity - Summary of Stock Options Activity (Details) - USD ($)					3 Months Ended	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020	Mar. 13, 2020	Mar. 31, 2020	Dec. 31, 2019
Number of Options
Outstanding, beginning balance (in shares)					7,222,625
Granted (in shares)					230,000
Canceled (in shares)					0
Exercised (in shares)					0
Expired/Forfeited (in shares)					(121,000)
Outstanding, ending balance (in shares)			7,331,625		7,331,625	7,222,625
Exercisable (in shares)			2,940,125		2,940,125
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share)					$ 3.33
Granted (in dollars per share)					2.23
Canceled (in dollars per share)					0.00
Exercised (in dollars per share)					0.00
Expired/Forfeited (in dollars per share)					1.81
Outstanding, ending balance (in dollars per share)			$ 3.32		3.32	$ 3.33
Exercisable (in dollars per share)			$ 5.04		$ 5.04
Outstanding Weighted Average Remaining Contractual Life (in Years)					5 years 6 months 26 days	5 years 9 months 26 days
Exercisable Weighted Average Remaining Contractual Life (in Years)					1 year 10 months 13 days
Aggregate Intrinsic Value, Outstanding			$ 0		$ 0	$ 0
Aggregate Intrinsic Value, Exercisable			$ 0		$ 0
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights (percentage per year)	33.33%	33.33%
Number of Options
Granted (in shares)			50,000
Weighted Average Exercise Price
Granted (in dollars per share)			$ 0.61
Employee Stock Option | Key Employees
Number of Options
Granted (in shares)				50,000
Weighted Average Exercise Price
Granted (in dollars per share)				$ 5.50
Employee Stock Option
Number of Options
Granted (in shares)					230,000

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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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For presentations that combine terminations, 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 or that expired.

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Weighted average price of options that were either forfeited or expired.

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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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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Percentage of vesting of share-based compensation awards.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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

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

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