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v3.5.0.2

Consolidated Statements of Operations - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
Revenue: |  |  |
Total revenue | $ 62,060 | $ 84,867 | $ 236,912
Cost of revenue: |  |  |
Total cost of revenue | 81,423 | 96,067 | 140,453
Gross profit (loss) | (19,363) | (11,200) | 96,459
Operating expenses: |  |  |
Selling, general and administrative expenses | 21,533 | 22,671 | 25,291
Research and development expenses | 13,851 | 14,694 | 16,536
Goodwill impairment expense |  | 1,843 |
Bad debt expense | 763 | 2,147 | 833
Total operating expenses | 36,147 | 41,355 | 42,660
Income (loss) from operations | (55,510) | (52,555) | 53,799
Other income (expense): |  |  |
Interest expense | (26) | (229) | (471)
Interest income | 376 | 427 | 123
Foreign exchange gains (losses) | (113) | 2,622 | 182
Other, net | (60) | (99) | (90)
Total other income (expense), net | 177 | 2,721 | (256)
Income (loss) before income taxes | (55,333) | (49,834) | 53,543
Income tax expense (benefit) | (9,363) | (17,193) | 16,632
Net income (loss) | $ (45,970) | $ (32,641) | $ 36,911
Earnings (loss) per common share: |  |  |
Basic | $ (3.52) | $ (2.51) | $ 2.82
Diluted | $ (3.52) | $ (2.51) | $ 2.81
Weighted average common shares outstanding: |  |  |
Basic | 13,044,875 | 12,996,958 | 12,950,958
Diluted | 13,044,875 | 12,996,958 | 12,997,009
Products |  |  |
Revenue: |  |  |
Total revenue | $ 46,530 | $ 73,691 | $ 209,581
Cost of revenue: |  |  |
Total cost of revenue | 63,608 | 79,998 | 125,497
Rental equipment |  |  |
Revenue: |  |  |
Total revenue | 15,530 | 11,176 | 27,331
Cost of revenue: |  |  |
Total cost of revenue | $ 17,815 | $ 16,069 | $ 14,956

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