Minimum bid price per share required to regain compliance with listing qualifications.

No definition available.

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- Definition

Stock market granted consecutive trading days preceding date of letter.

+ References

No definition available.

+ Details

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- Definition

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.

+ 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 (a)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

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.

+ 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
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

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

+ References

No definition available.

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- Definition

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

+ 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 (e)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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Subsequent Events - Additional Information (Details) - $ / shares		1 Months Ended			12 Months Ended
	Jan. 25, 2019	Feb. 29, 2020	Jan. 21, 2020	Jan. 31, 2019	Dec. 31, 2018
Nasdaq Capital Market [Member]
Subsequent Event [Line Items]
Stock market granted consecutive trading days preceding date of letter	30 days			30 days
Closing bid price per NASDAQ listing notification letter	$ 1.00			$ 1.00
Stock Option Grants [Member]
Subsequent Event [Line Items]
Exercise price (in dollars per share)					$ 15.63
Subsequent Event [Member]
Subsequent Event [Line Items]
Stock market granted consecutive trading days preceding date of letter			10 days
Closing bid price per NASDAQ listing notification letter			$ 1.00
Subsequent Event [Member] \| Stock Option Grants [Member]
Subsequent Event [Line Items]
Number of shares options granted		205,701
Exercisable terms		10 years
Exercise price (in dollars per share)		$ 5.98
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		4 years
Subsequent Event [Member] \| Stock Option Grants [Member] \| Senior Management [Member]
Subsequent Event [Line Items]
Number of shares options granted		118,781