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Quarterly results of operations (unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2022
Quarterly results of operations (unaudited) [Abstract] |
Quarterly Results of Operations | Our quarterly results of operations for 2022 and 2021 are as follows:
|  | Quarter Ended |
(In thousands, except per share amounts) |  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
2022: |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 9,702 |  |  | $ | 12,623 |  |  | $ | 17,856 |  |  | $ | 17,958 |
Gross profit |  |  | 2,566 |  |  |  | 5,434 |  |  |  | 8,193 |  |  |  | 8,219 |
Net (loss) income |  |  | (4,348 | ) |  |  | (2,376 | ) |  |  | 528 |  |  |  | 260 |
Net (loss) income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | (0.44 | ) |  |  | (0.24 | ) |  |  | 0.05 |  |  |  | 0.03 |
Diluted |  |  | (0.44 | ) |  |  | (0.24 | ) |  |  | 0.05 |  |  |  | 0.03 |
2021: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 8,301 |  |  | $ | 9,325 |  |  | $ | 10,637 |  |  | $ | 11,123 |
Gross profit |  |  | 3,339 |  |  |  | 3,432 |  |  |  | 4,305 |  |  |  | 4,306 |
Net (loss) income |  |  | (2,089 | ) |  |  | (2,030 | ) |  |  | 901 |  |  |  | (823 | )
Net (loss) income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | (0.23 | ) |  |  | (0.23 | ) |  |  | 0.10 |  |  |  | (0.08 | )
Diluted |  |  | (0.23 | ) |  |  | (0.23 | ) |  |  | 0.09 |  |  |  | (0.08 | )

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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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