Convertible Debt (Detail Textuals) $ / shares in Units, $ in Thousands	1 Months Ended
Mar. 30, 2018 USD ($) Trading_Day Investor Note $ / shares shares
Senior Secured Convertible Notes \| Series Q Warrants \| Class A common stock
Debt Instrument [Line Items]
Number of shares called by warrants \| shares	9,126,984
Private Placement
Debt Instrument [Line Items]
Percentage of premium on alternate conversion	125.00%
Available cash requirement on quarterly basis	$ 750
Private Placement \| Senior Secured Convertible Notes \| Class A common stock
Debt Instrument [Line Items]
Initial fixed conversion price \| $ / shares	$ 1.26
Conversion price of convertible debt before increase \| $ / shares	1.2405
Increased conversion price of convertible debt in amendments \| $ / shares	$ 1.26
Threshold consecutive trading days \| Trading_Day	10
Stock price trigger, per share amount \| $ / shares	$ 0.194
Threshold percentage of stock subject to volume weighted average price	200.00%
Threshold number of specified trading days \| Trading_Day	10
Private Placement \| Series A 2018 convertible note offering
Debt Instrument [Line Items]
Number of unaffiliated institutional investors \| Note	2
Proceeds from convertible debt	$ 5,750
Additional OID Amount payable	$ 750
Number of convertible notes issued \| Note	2
Private Placement \| Series B 2018 convertible note offering
Debt Instrument [Line Items]
Number of unaffiliated institutional investors \| Note	2
Proceeds from convertible debt	$ 5,000
Number of convertible notes issued \| Note	2
Unaffiliated institutional investors \| Private Placement \| Senior Secured Convertible Notes
Debt Instrument [Line Items]
Principal amount of notes issued	$ 10,750
Proceeds from original issue discount ("OID")	750
Proceeds from convertible debt	10,000
Proceeds from sale of notes at closing of offering	5,000
Proceeds from promissory notes secured by cash and securities held in escrow	$ 5,000
Percentage of interest rates	18.00%
Cooperation Agreement
Debt Instrument [Line Items]
Number of unaffiliated institutional investors \| Investor	2
Proceeds from sale of notes at closing of offering	$ 5,000

This elements represents amount of available cash requirement on quarterly basis.

No definition available.

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- Definition

Represents the conversion price of convertible debt instrument before increase.

+ References

No definition available.

+ Details

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- Definition

Represents the increase conversion price of convertible debt.

+ References

No definition available.

+ Details

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- Definition

Represents the number of convertible notes issued.

+ References

No definition available.

+ Details

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- Definition

Represents the number of unaffiliated institutional investors.

+ References

No definition available.

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- Definition

This element represents percentage of premium on alternate conversion.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from the proceeds from original issue discount

+ References

No definition available.

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- Definition

The cash inflow from proceeds from sale of notes at closing of offering.

+ References

No definition available.

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- Definition

Threshold percentage of stock subject to volume weighted average price.

+ References

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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- Definition

Price of the entity's common stock which would be required to be attained for the conversion feature embedded in the debt instrument to become effective.

+ References

No definition available.

+ Details

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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.

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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- Definition

The cash inflow from borrowings supported by a written promise to pay an obligation that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

+ References

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- Definition

The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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