Promissory Note and Unsecured Convertible Promissory Notes (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Convertible Debt [Member]
Short-term Debt [Line Items]
Convertible Note Principal Amount		$ (105)
Convertible Note Principal Amount, Total Amortizations	$ 0
Convertible Note Principal Amount, accelerated amortization	105
Convertible Debt [Member] \| Short-term Debt [Member]
Short-term Debt [Line Items]
Convertible Note Principal Amount		(11)
Convertible Note Principal Amount, Total Amortizations	0
Convertible Note Principal Amount, accelerated amortization	11
9% Unsecured Convertible Note[Member]
Short-term Debt [Line Items]
Convertible Note Principal Amount, Total Amortizations	(9)
Convertible Note Principal Amount, accelerated amortization	$ 116
Debt Discounts & Financing Costs		(107)
Unsecured convertible note
Short-term Debt [Line Items]
Outstanding Balance at December 31, 2017 (in shares)	39,500
Warrants And Debt Conversion Feature, Agreement Amendments	44,720
Warrants And Debt Conversion Feature, Exercises And Conversions	(84,220)
Investor Warrants [Member] \| Convertible Debt [Member]
Short-term Debt [Line Items]
Debt Discounts & Financing Costs		2
Amortization of debt discount and deferred financing costs	$ (2)
7% Agent Warrants [Member] \| Convertible Debt [Member]
Short-term Debt [Line Items]
Debt Discounts & Financing Costs		1
Amortization of debt discount and deferred financing costs	$ (1)
9% Convertible Note - Investors [Member] \| Unsecured convertible note
Short-term Debt [Line Items]
Outstanding Balance at December 31, 2017 (in shares)	39,500
Warrants And Debt Conversion Feature, Agreement Amendments	44,720
Warrants And Debt Conversion Feature, Exercises And Conversions	(84,220)
Conversion Feature value [Member] \| Convertible Debt [Member]
Short-term Debt [Line Items]
Debt Discounts & Financing Costs		1
Amortization of debt discount and deferred financing costs	$ (1)
Financing Costs [Member] \| Convertible Debt [Member]
Short-term Debt [Line Items]
Debt Discounts & Financing Costs		$ 5
Amortization of debt discount and deferred financing costs	$ (5)

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Represents the deductions on fair market value of warrants and debt conversion features due to exercises and conversions.

+ References

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Represents the number of warrants and debt conversion feature outstanding.

+ References

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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The value of the financial instrument(s) that the original debt is being converted into 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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Face (par) amount of debt instrument at time of issuance.

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Amount, after accumulated amortization, of debt discount (premium).

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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

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