Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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-Topic 718
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- Definition

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

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- Definition

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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Number of share options (or share units) exercised during the current period.

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Share-Based Compensation - Stock Option Activity - Textual (Details) - $ / shares			9 Months Ended
	Mar. 22, 2020	Jan. 02, 2020	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)			913,000
Weighted average exercise price, granted (USD per share)			$ 5.24
Exercise of stock options (in shares)			123,000
Weighted average exercise price, exercised (in USD per share)			$ 1.88	$ 1.62
Executives and Key Personnel
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price, granted (USD per share)		$ 5.27
Award requisite service period		1 year
Board of Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)		325,000
Weighted average exercise price, granted (USD per share)		$ 5.27
Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)		23,000
Weighted average exercise price, granted (USD per share)		$ 5.27
Consultant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price, granted (USD per share)		$ 5.27
Award requisite service period		1 year
Contractor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price, granted (USD per share)	$ 3.99
Award requisite service period	6 months
Stock Option \| Executives and Key Personnel
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)		525,000
Award vesting period		4 years
Stock Option \| Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		4 years
Stock Option \| Consultant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)		15,000
Stock Option \| Contractor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)	25,000