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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Income tax rate | 21.00% | 21.00%
Deferred tax assets | $ 14,704,000 | $ 4,797,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 0 | 0
Income tax provision included in expense | 0 | $ 0
State and Local Jurisdiction [Member] |  |
Operating Loss Carryforwards | 220,406,000 |
U.S. Federal [Member] |  |
Operating Loss Carryforwards | 210,223,000 |
Deferred Tax Asset, Interest Carryforward | 33,392,000 |
Tax Credit Carryforwards | 2,016,000 |
Interest Carryforwards | 33,392,000 |
China [Member] |  |
Operating Loss Carryforwards | 356,000 |
Mexico [Member] |  |
Deferred tax assets | $ 100 |

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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