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Quarterly Financial Information (Unaudited) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information (Unaudited) | Note 16. Quarterly Financial Information (Unaudited) The following tables summarize the Company’s quarterly financial information for the years ended December 31, 2018 and 2017 (in thousands except per share amounts):
|  | Three Months Ended |
|  | March 31, 2018 |  |  | June 30, 2018 |  |  | September 30, 2018 |  |  | December 31, 2018 |
Product revenue |  | $ | 13,564 |  |  | $ | 15,420 |  |  | $ | 15,399 |  |  | $ | 16,525 |
Gross profit on product revenue |  |  | 6,234 |  |  |  | 7,700 |  |  |  | 7,257 |  |  |  | 8,083 |
Government contract revenue |  |  | 3,455 |  |  |  | 4,047 |  |  |  | 3,928 |  |  |  | 3,713 |
Net loss |  |  | (13,885 | ) |  |  | (13,282 | ) |  |  | (14,192 | ) |  |  | (16,205 | )
Net loss per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | (0.11 | ) |  |  | (0.10 | ) |  |  | (0.11 | ) |  |  | (0.12 | )
Diluted |  |  | (0.11 | ) |  |  | (0.10 | ) |  |  | (0.11 | ) |  |  | (0.12 | )
|  | Three Months Ended |
|  | March 31, 2017 |  |  | June 30, 2017 |  |  | September 30, 2017 |  |  | December 31, 2017 |
Product revenue |  | $ | 7,006 |  |  | $ | 9,525 |  |  | $ | 10,797 |  |  | $ | 16,240 |
Gross profit on product revenue |  |  | 3,312 |  |  |  | 5,165 |  |  |  | 5,449 |  |  |  | 7,111 |
Government contract revenue |  |  | 1,428 |  |  |  | 1,667 |  |  |  | 2,285 |  |  |  | 2,378 |
Net loss |  |  | (18,598 | ) |  |  | (17,083 | ) |  |  | (13,418 | ) |  |  | (11,486 | )
Net loss per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | (0.18 | ) |  |  | (0.16 | ) |  |  | (0.12 | ) |  |  | (0.10 | )
Diluted |  |  | (0.18 | ) |  |  | (0.16 | ) |  |  | (0.12 | ) |  |  | (0.10 | )

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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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