Convertible Debt at Fair Value (Narrative) (Details) - USD ($)		3 Months Ended
Mar. 16, 2016	Mar. 31, 2020	Mar. 31, 2019
Debt Instrument [Line Items]
Gain (loss) on derivatives and convertible debt		$ (759,000)	$ (237,000)
6.25% Convertible Debt [Member]
Debt Instrument [Line Items]
Interest rate	6.25%	6.25%
Principal amount	$ 1,012,000
Number of shares of common stock debt can convert into	97,269
Maximum ownership percentage of voting stock upon debt conversion	49.00%
Gain (loss) on derivatives and convertible debt		$ 40,000	$ (48,000)

Gain (Loss) On Derivatives And Convertible Debt

No definition available.

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- Definition

Maximum Ownership Percentage Of Voting Stock Upon Debt Conversion

+ References

No definition available.

+ Details

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

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-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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-SubTopic 30
-Section 55
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- Definition

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

+ References

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-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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