Represents common share per unit of units issued.

No definition available.

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- Definition

Represents units issued during period.

+ References

No definition available.

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- Definition

Represents the price per unit of units issued.

+ References

No definition available.

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- Definition

Represents warrant issued per unit.

+ References

No definition available.

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- Definition

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

+ References

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-Topic 505
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- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ 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

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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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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.

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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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Note 15 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Millions	Jul. 10, 2020	Jul. 06, 2020	Jul. 06, 2025	Jun. 30, 2020	Dec. 31, 2019
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)				50,812	396,242
Series 2020 B Warrants [Member] \| Forecast [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.01
Series 1 Unit [Member] \| Forecast [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.60
Subsequent Event [Member]
Proceeds from Issuance or Sale of Equity, Total		$ 16.2
Subsequent Event [Member] \| Convertible 2020/21 Notes [Member]
Long-term Debt, Total	$ 12.5
Subsequent Event [Member] \| Convertible 2020 Notes [Member]
Debt Conversion, Original Debt, Amount	$ 2.0
Debt Conversion, Converted Instrument, Shares Issued (in shares)	4,169,428
Subsequent Event [Member] \| The Series 2020 A Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)		1
Warrants and Rights Outstanding, Term (Year)		5 years
Subsequent Event [Member] \| Series 2020 B Warrants [Member]
Units Issued Warrant Per Unit (in shares)		1
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)		1
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)		30,000,000
Subsequent Event [Member] \| Series 1 Unit [Member]
Units Issued During Period (in shares)		20,896,666
Units Issued Price Per Unit (in dollars per share)		$ 0.60
Units Issued Common Share Per Unit (in shares)		1
Units Issued Warrant Per Unit (in shares)		1
Subsequent Event [Member] \| Series 2 Unit [Member]
Units Issued During Period (in shares)		9,103,334
Units Issued Price Per Unit (in dollars per share)		$ 0.59
Subsequent Event [Member] \| Coupon Make Whole Payments [Member] \| Convertible 2020 Notes [Member]
Debt Conversion, Original Debt, Amount	$ 0.3