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v3.23.3

Note 2 - Concentration of Credit Risk and Major Customers (Details Textual) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($)
Cash and Cash Equivalents, at Carrying Value | $ 699 | $ 1,300 | $ 699 | $ 1,300 | $ 1,027 | [1]
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents | $ 1,121 | $ 2,092 | $ 1,121 | $ 2,092 |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] |  |  |  |  |  |
Concentration Risk Number of Customers | 2 | 1 | 2 | 1 |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member] |  |  |  |  |  |
Concentration Risk, Percentage | 36.00% |  | 38.00% |  |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Customer [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  | 28.00% |  | 26.00% |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |  |  |  |
Concentration Risk Number of Customers |  |  | 2 |  | 1 |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 37.00% |  |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | One Customer [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  | 21.00% |
Contract Assets Benchmark [Member] | Customer Concentration Risk [Member] |  |  |  |  |  |
Concentration Risk Number of Customers |  |  | 1 |  | 1 |
Contract Assets Benchmark [Member] | Customer Concentration Risk [Member] | One Customer [Member] |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 29.00% |  | 22.00% |
UNITED STATES |  |  |  |  |  |
Excess Cash Balances, Number of High Credit Quality Financial Institutions |  |  | 1 |  |  |
CHINA |  |  |  |  |  |
Excess Cash Balances, Number of High Credit Quality Financial Institutions |  |  | 1 |  |  |
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents | $ 640 |  | $ 640 |  |  |
MEXICO |  |  |  |  |  |
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents | $ 45 |  | $ 45 |  |  |
Non-US [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member] |  |  |  |  |  |
Concentration Risk, Percentage | 3.00% | 4.00% | 3.00% | 4.00% |  |
[1] | The balance sheet at December 31, 2022 has been derived from the audited financial statements at that date

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-4 + Details
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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-24 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-4 + Details
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