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v3.6.0.2

Consolidated Statements of Operations - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenues: |  |  |
Product sales | $ 296,278 | $ 328,969 | $ 281,845
Contract manufacturing | 49,138 | 42,968 | 30,944
Contracts and grants | 143,366 | 117,394 | 91,677
Total revenues | 488,782 | 489,331 | 404,466
Operating expenses: |  |  |
Cost of product sales and contract manufacturing | 131,284 | 107,486 | 101,963
Research and development | 108,290 | 119,186 | 104,721
Selling, general and administrative | 143,686 | 121,145 | 108,594
Income from operations | 105,522 | 141,514 | 89,188
Other income (expense): |  |  |
Interest income | 1,053 | 572 | 320
Interest expense | (7,617) | (6,523) | (8,240)
Other income (expense), net | 263 | 153 | 2,926
Total other income (expense) | (6,301) | (5,798) | (4,994)
Income from continuing operations before provision for income taxes | 99,221 | 135,716 | 84,194
Provision for income taxes | 36,697 | 44,300 | 29,928
Net Income from continuing operations | 62,524 | 91,416 | 54,266
Loss from discontinued operations (net of tax) | (10,748) | (28,546) | (17,525)
Net income | $ 51,776 | $ 62,870 | $ 36,741
Net income per share - basic: |  |  |
Net income from continuing operations-basic | $ 1.56 | $ 2.37 | $ 1.45
Net loss from discontinued operations-basic | (0.27) | (0.74) | (0.47)
Net income per share - basic (in dollars per share) | 1.29 | 1.63 | 0.98
Net income per share - diluted: |  |  |
Net income per share from continuing operations-diluted | 1.35 | 2.02 | 1.26
Net loss per share from discontinued operations-diluted | (0.22) | (0.61) | (0.38)
Net income per share-diluted | $ 1.13 | $ 1.41 | $ 0.88
Weighted-average number of shares - basic (in shares) | 40,184,159 | 38,595,435 | 37,344,891
Weighted-average number of shares - diluted (in shares) | 49,335,112 | 47,255,842 | 45,802,807

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1505-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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