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Supplementary Financial Information to Item 8. (Tables) | 12 Months Ended
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Dec. 31, 2022
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Data | QUARTERLY FINANCIAL DATA (UNAUDITED) (amounts in thousands, except per share amounts)
2022 |  | Fourth Quarter |  | Third Quarter |  | Second Quarter |  | First Quarter
Net (loss) sales |  | $ | 663 |  |  | $ | 1,764 |  |  | $ | 1,480 |  |  | $ | 2,061 |
Gross (loss) profit |  | (238) |  |  | (163) |  |  | 109 |  |  | (26) |
Net loss |  | (2,310) |  |  | (2,662) |  |  | (2,486) |  |  | (2,821) |
Net loss per common share attributable to common stockholders (basic and diluted): |  | $ | (0.23) |  |  | $ | (0.29) |  |  | $ | (0.35) |  |  | $ | (0.44) |
Weighted average shares used in computing net loss per common share (basic and diluted) |  | 9,583 |  |  | 9,190 |  |  | 4,211 |  |  | 6,437 |
2021 |  | Fourth Quarter |  | Third Quarter |  | Second Quarter |  | First Quarter
Net sales |  | $ | 2,405 |  |  | $ | 2,749 |  |  | $ | 2,074 |  |  | $ | 2,637 |
Gross (loss) profit |  | 189 |  |  | 563 |  |  | 393 |  |  | 553 |
Net loss |  | (2,631) |  |  | (1,140) |  |  | (2,473) |  |  | (1,642) |
Net loss per common share attributable to common stockholders (basic and diluted): |  | $ | (0.50) |  |  | $ | (0.22) |  |  | $ | (0.59) |  |  | $ | (0.45) |
Weighted average shares used in computing net loss per common share (basic and diluted) |  | 5,312 |  |  | 5,086 |  |  | 4,211 |  |  | 3,612 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126900988&loc=d3e1280-108306 + Details
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