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Supplementary Data - Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2020
Supplementary Data - Quarterly Financial Data [Abstract] |
Supplementary Data - Quarterly Financial Data | SUPPLEMENTARY DATA – QUARTERLY FINANCIAL DATA (Unaudited) The following table sets forth selected quarterly data for the years ended December 31, 2020 and 2019. The operating results are not indicative of results for any future period.
| Year Ended December 31, 2020
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
| (in thousands, except per share amounts)
Net sales | $ | 53,555 |  | $ | 30,014 |  | $ | 64,491 |  | $ | 75,947
Gross profit |  | 18,512 |  |  | 10,636 |  |  | 21,669 |  |  | 26,978
Operating income (loss) |  | 892 |  |  | (4,037) |  |  | 1,555 |  |  | 5,524
Net income (loss) |  | 36 |  |  | (2,743) |  |  | 1,183 |  |  | 7,069
Net income (loss) per share: |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.00 |  | $ | (0.09) |  | $ | 0.04 |  | $ | 0.23
Diluted |  | 0.00 |  |  | (0.09) |  |  | 0.04 |  |  | 0.22
| Year Ended December 31, 2019
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
| (in thousands, except per share amounts)
Net sales | $ | 61,218 |  | $ | 46,994 |  | $ | 60,203 |  | $ | 61,022
Gross profit |  | 22,056 |  |  | 15,992 |  |  | 20,557 |  |  | 21,686
Operating income (loss) |  | 4,417 |  |  | (1,241) |  |  | 4,077 |  |  | 4,179
Net income (loss) |  | 3,787 |  |  | (694) |  |  | 3,492 |  |  | 12,387
Net income (loss) per share: |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.13 |  | $ | (0.02) |  | $ | 0.12 |  | $ | 0.42
Diluted |  | 0.12 |  |  | (0.02) |  |  | 0.11 |  |  | 0.40
Basic and diluted net income (loss) per share are computed independently for each of the quarters presented. Therefore, the sum of the quarterly amounts may not equal the total computed for the year.

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- References No definition available. + Details
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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 http://asc.fasb.org/topic&trid=2126967 + Details
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