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Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data | 16. Quarterly Financial Data (Unaudited) The following financial information reflects all normal recurring adjustments, which are, in the opinion of management, necessary for a fair statement of the results of the interim periods. Summarized quarterly data for fiscal 2017 and 2016 are as follows (in thousands, except per share data):
|  | Year Ended December 31, 2017 |
|  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |
Selected quarterly financial data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 5,576 |  |  | $ | 5,862 |  |  | $ | 5,804 |  |  | $ | 5,732 |
Gross profit |  | $ | 4,293 |  |  | $ | 4,577 |  |  | $ | 4,645 |  |  | $ | 4,377 |
Operating loss |  | $ | (2,578 | ) |  | $ | (1,619 | ) |  | $ | (942 | ) |  | $ | (535 | )
Net loss |  | $ | (2,880 | ) |  | $ | (1,952 | ) |  | $ | (1,670 | ) |  | $ | (160 | )
Net loss per share - basic (1) |  | $ | (0.24 | ) |  | $ | (0.15 | ) |  | $ | (0.12 | ) |  | $ | (0.01 | )
Weighted average shares outstanding - basic |  |  | 12,163 |  |  |  | 13,179 |  |  |  | 14,297 |  |  |  | 14,281 |
Net loss per share - diluted (1) |  | $ | (0.24 | ) |  | $ | (0.15 | ) |  | $ | (0.12 | ) |  | $ | (0.01 | )
Weighted average shares outstanding - diluted |  |  | 12,163 |  |  |  | 13,179 |  |  |  | 14,297 |  |  |  | 14,281 |
|  | Year Ended December 31, 2016 |
|  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |
Selected quarterly financial data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 7,214 |  |  | $ | 7,459 |  |  | $ | 6,478 |  |  | $ | 7,084 |
Gross profit |  | $ | 5,101 |  |  | $ | 5,547 |  |  | $ | 4,680 |  |  | $ | 5,343 |
Operating loss |  | $ | (3,679 | ) |  | $ | (3,907 | ) |  | $ | (4,557 | ) |  | $ | (3,762 | )
Net loss |  | $ | (3,706 | ) |  | $ | (3,279 | ) |  | $ | (4,314 | ) |  | $ | (3,725 | )
Net loss per share - basic (1) |  | $ | (0.32 | ) |  | $ | (0.28 | ) |  | $ | (0.35 | ) |  | $ | (0.30 | )
Weighted average shares outstanding - basic |  |  | 11,524 |  |  |  | 11,741 |  |  |  | 12,209 |  |  |  | 12,323 |
Net loss per share - diluted (1) |  | $ | (0.32 | ) |  | $ | (0.28 | ) |  | $ | (0.35 | ) |  | $ | (0.30 | )
Weighted average shares outstanding - diluted |  |  | 11,524 |  |  |  | 11,741 |  |  |  | 12,209 |  |  |  | 12,323 |
(1) | Basic and diluted net loss per share is computed independently for each of the quarters presented. Therefore, the sum of the quarterly per share amounts will not necessarily equal the total for the year.
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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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