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Stock Plans (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 15, 2022 | Sep. 15, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Aug. 31, 2015 | Feb. 28, 2014 | Jul. 31, 2002
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Common stock outstanding |  |  | 927 | 682 |  |  |
Weighted-average fair value of options and awards granted |  |  | $ 0.95 | $ 3.29 |  |  |
Total unrecognized compensation expense related to non-vested stock option |  |  | $ 800 |  |  |  |
Weighted-average period for recognizing non-vested stock option |  |  | 8 months 12 days |  |  |  |
Stock-based compensation |  |  | $ 947 | $ 1,505 |  |  |
Equity Option [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Stock-based compensation | $ 500 |  |  |  |  |  |
Plan 2015 [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares agreed to issue |  |  |  |  | 1,000,000 | 2,526 | 7,234
Shares available for grant |  |  |  |  | 74,262 |  |
Common stock outstanding |  |  |  |  | 925,738 | 1,189 |
Stock-based compensation | $ 60,000 | $ 250,000 |  |  |  |  |
Purchase common stock | 125,000 | 900,000 |  |  |  |  |
Purchase price, per value | $ 1.52 | $ 1.31 |  |  |  |  |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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