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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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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- Definition

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

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

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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				3 Months Ended
	May 14, 2020	Mar. 22, 2020	Jan. 02, 2020	Mar. 31, 2020
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)				110,000
Weighted average exercise price, exercised (in USD per share)				$ 1.78
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	10,000
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