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General And Liquidity (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
General And Liquidity [Abstract]
Accumulated deficit	$ 174,921	$ 168,587

X

- References

No definition available.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 65
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-Name Accounting Standards Codification
-Topic 944
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 65
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