Redeemable Preferred Stock (Details)	1 Months Ended	6 Months Ended
Nov. 30, 2018 USD ($) shares	Jun. 30, 2019 USD ($) installment $ / shares shares
Series C Redeemable Convertible Preferred Stock
Redeemable preferred stock
Preferred Stock, Shares Outstanding \| shares		2,620
Dividend rate		8.00%
Original issue price		$ 248.794
Conversion price per share (in dollars per share) \| $ / shares		$ 0.2343
Series E Redeemable Convertible Preferred Stock
Redeemable preferred stock
Shares issued (in shares) \| shares	35,000
Redeemable stock issued, par value (in dollars per share)	$ 0.01
Net proceeds from public offering	$ 30,900,000
Number of monthly installments \| installment		13
Redemption value for each installment		$ 2,700,000
Discount on market price		15.00%
Conversion price per share \| $ / shares		$ 2.31
Liquidation preference percentage		125.00%
Redeemable stock issued, initial stated value (in dollars per share) \| $ / shares		$ 1,000

Represents the conversion price of convertible preferred stock.

No definition available.

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- Definition

Percentage of discount on market price for conversion price

+ References

No definition available.

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- Definition

Number of installments in which preferred stock are to be redeemed.

+ References

No definition available.

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- Definition

Represents the percentage of temporary equity liquidation preference.

+ References

No definition available.

+ Details

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- Definition

Represents the original issue price of convertible preferred stock issued and sold under the agreement.

+ References

No definition available.

+ Details

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- Definition

Represents the initial stated par value of temporary equity.

+ References

No definition available.

+ Details

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- Definition

Shares of new stock classified as temporary equity issued during the period.

+ References

No definition available.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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- Definition

The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.27(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644

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- Definition

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.

+ References

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount to be paid per share that is classified as temporary equity by entity upon redemption. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (27)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Carrying amount of the par value of temporary equity outstanding. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

+ References

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