Represents common Stock voting rights number of votes per each share.

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- Definition

n/a

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No definition available.

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- Definition

Represents the number of series that may be used to issue preferred stock.

+ References

No definition available.

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- Definition

Weighted average remaining contractual life of warrant, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

Number of warrants or rights outstanding.

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Aggregate number of common shares reserved for future issuance.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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Face amount or stated value per share of common stock.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- References

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Stockholders' Equity (Details)		12 Months Ended
Stockholders' Equity (Details)	Dec. 31, 2019 $ / shares shares	Dec. 31, 2019 series Vote $ / shares shares	Feb. 28, 2019 $ / shares shares	Dec. 31, 2018 $ / shares shares	Jun. 30, 2018 $ / shares shares
Preferred Stock
Preferred stock, authorized (in shares)	5,000,000	5,000,000		5,000,000
Preferred stock, par value (in dollars per share) \| $ / shares	$ 0.001	$ 0.001		$ 0.001
Preferred stock, issued (in shares)	0	0		0
Preferred stock, outstanding (in shares)	0	0		0
Minimum number of series used to issue preferred stock \| series		1
Common Stock
Common stock, authorized (in shares)	150,000,000	150,000,000		150,000,000
Par value of common stock (in dollars per share) \| $ / shares	$ 0.001	$ 0.001		$ 0.001
Common stock, issued (in shares)	12,433,600	12,433,600		7,141,996
Common Stock, outstanding (in shares)	12,433,600	12,433,600		7,141,996
Number of votes entitled to each common stock share \| Vote		1
Common stock dividends, declared or paid (in dollars per share) \| $ / shares		$ 0
Shares reserved for future issuance (in shares)	7,617,546	7,617,546		5,589,766
Common stock warrants
Common Stock
Shares reserved for future issuance (in shares)	6,193,749	6,193,749		4,202,449
Common stock options outstanding
Common Stock
Shares reserved for future issuance (in shares)	785,832	785,832		433,389
Common stock options available for future issuance
Common Stock
Shares reserved for future issuance (in shares)	525,484	525,484		877,917
Employee stock purchase plan
Common Stock
Shares reserved for future issuance (in shares)	112,481	112,481		76,011
June 2018 Warrants
Common Stock Warrants
Weighted average remaining contractual life		3 years 5 months 19 days
June 2018 Warrants \| Common stock warrants
Common Stock Warrants
Number of shares which may be purchased with warrants					4,200,000
Exercise price of warrants (in dollars per share) \| $ / shares					$ 12.00
Warrants term					5 years
February 2019 Warrants \| Common stock warrants
Common Stock Warrants
Number of shares which may be purchased with warrants			2,000,000
Exercise price of warrants (in dollars per share) \| $ / shares			$ 6.25
Warrants term			5 years
Class of Warrant or Right, Outstanding	1,991,300	1,991,300
Weighted average remaining contractual life	4 years 1 month 10 days