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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) | 22. Quarterly Financial Data (Unaudited) The following table sets forth our unaudited quarterly consolidated statements of operations for each of the last four quarters for the periods ended December 31, 2017 and 2016. This unaudited quarterly information has been prepared on the same basis as our annual audited financial statements and includes all adjustments, consisting only of normal recurring adjustments that are necessary to present fairly the financial information for the fiscal quarters presented.
2017: |  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
Revenue |  |  | 25,059 |  |  |  | 29,787 |  |  |  | 39,329 |  |  |  | 43,037 |
Cost of goods sold |  |  | 19,662 |  |  |  | 21,407 |  |  |  | 26,297 |  |  |  | 32,938 |
Operating expenses |  |  | 3,839 |  |  |  | 4,570 |  |  |  | 4,261 |  |  |  | 5,533 |
Net income |  |  | 969 |  |  |  | 2,624 |  |  |  | 7,047 |  |  |  | 10,886 |
Earnings per share, basic |  |  | 0.02 |  |  |  | 0.07 |  |  |  | 0.17 |  |  |  | 0.27 |
Earnings per share, diluted |  |  | 0.02 |  |  |  | 0.06 |  |  |  | 0.17 |  |  |  | 0.27 |
Weighted average number of shares outstanding, basic |  |  | 39,697 |  |  |  | 40,347 |  |  |  | 40,384 |  |  |  | 40,393 |
Weighted average number of shares outstanding, diluted |  |  | 39,874 |  |  |  | 40,453 |  |  |  | 40,416 |  |  |  | 40,435 |
2016: |  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
Revenue |  | $ | 10,359 |  |  | $ | 8,494 |  |  | $ | 10,927 |  |  | $ | 29,451 |
Cost of goods sold |  |  | 5,337 |  |  |  | 6,532 |  |  |  | 5,931 |  |  |  | 8,769 |
Operating expenses |  |  | 2,188 |  |  |  | 2,214 |  |  |  | 2,462 |  |  |  | 5,407 |
Net income (loss) |  |  | 382 |  |  |  | (2,348 | ) |  |  | (96 | ) |  |  | 12,441 |
Earnings (loss) per share, basic |  |  | 0.02 |  |  |  | (0.11 | ) |  |  | - |  |  |  | 0.40 |
Earnings (loss) per share, diluted |  |  | 0.01 |  |  |  | (0.11 | ) |  |  | - |  |  |  | 0.40 |
Weighted average number of shares outstanding, basic |  |  | 22,135 |  |  |  | 22,145 |  |  |  | 22,189 |  |  |  | 30,952 |
Weighted average number of shares outstanding, diluted |  |  | 26,410 |  |  |  | 22,145 |  |  |  | 22,189 |  |  |  | 31,210 |
During the fourth quarter 2017, the Company recognized approximately $987 of year-end discretionary bonus expense included in cost of goods sold and operating expenses in the consolidated statement of operations, as such bonus was not approved by the board of directors until the fourth quarter.

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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