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Supplementary Financial Information to Item 8. | 12 Months Ended
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Dec. 31, 2022
Quarterly Financial Information Disclosure [Abstract] |
Supplementary Financial Information to Item 8. | SUPPLEMENTARY FINANCIAL INFORMATION TO ITEM 8. The following table sets forth our selected unaudited financial information for the four quarters in the years ended December 31, 2022 and 2021, respectively. This information has been prepared on the same basis as the audited financial statements and, in the opinion of management, contains all adjustments necessary for a fair presentation thereof. 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 The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI https://asc.fasb.org/topic&trid=2126967 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=126900988&loc=SL124452896-108306 + Details
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