v3.8.0.1

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
Revenue: |  |  |
Product sales | $ 32,790 | $ 30,999 | $ 24,925
Royalties and license fees | 31,787 | 33,203 | 31,763
Research, development and other | 8,535 | 7,164 | 5,210
Total revenue | 73,112 | 71,366 | 61,898
Operating costs and expenses: |  |  |
Product costs | 11,422 | 10,908 | 8,619
Research and development | 31,817 | 18,498 | 16,165
Selling, general and administrative | 20,478 | 18,000 | 14,906
Acquisition transaction, integration and other costs |  | 3,187 |
Acquired intangible asset amortization | 2,419 | 2,422 | 619
Contingent consideration accretion (gain) expense | (127) | 1,492 |
Claim settlement |  |  | 2,500
Total operating costs and expenses | 66,009 | 54,507 | 42,809
Operating income | 7,103 | 16,859 | 19,089
Other (loss) income: |  |  |
Investment income, net | 390 | 63 | 156
Foreign exchange loss | (504) | (481) |
Impairment loss on strategic investment |  |  | (1,500)
Gains on strategic investments and other | 44 | 507 | 496
Other (loss) income | (70) | 89 | (848)
Income before income taxes | 7,033 | 16,948 | 18,241
Income tax provision | (3,107) | (6,963) | (6,294)
Net income | $ 3,926 | $ 9,985 | $ 11,947
Basic net income per share: | $ 0.30 | $ 0.77 | $ 0.92
Diluted net income per share: | $ 0.29 | $ 0.76 | $ 0.90
Weighted average number of shares outstanding: |  |  |
Basic | 13,153 | 12,998 | 13,029
Diluted | 13,389 | 13,219 | 13,289

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