Income Taxes (Narrative) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Operating Loss Carryforwards [Line Items] | ||||||
| Provision for Income Taxes | ||||||
| Operating loss carry-forward | $ 160,154,000 | $ 160,154,000 | $ 156,586,000 | 147,086,000 | ||
| Net operating loss carry-forwards expiration | Dec. 31, 2021 | |||||
| Federal And State [Member] | ||||||
| Operating Loss Carryforwards [Line Items] | ||||||
| Provision for Income Taxes | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Details
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