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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2013 | Oct. 31, 2012 | Oct. 31, 2013 | Oct. 31, 2012
Operating revenue: |  |  |  |
Personalized oncology solutions | $ 623 | $ 459 | $ 1,245 | $ 1,377
Translational oncology solutions | 1,760 | 999 | 4,158 | 2,187
Total operating revenue | 2,383 | 1,458 | 5,403 | 3,564
Costs and operating expenses: |  |  |  |
Cost of personalized oncology solutions | 732 | 582 | 1,525 | 1,354
Cost of translational oncology solutions | 698 | 475 | 1,576 | 1,174
Research and development | 677 | 436 | 1,079 | 823
Sales and marketing | 698 | 680 | 1,340 | 1,389
General and administrative | 1,279 | 1,201 | 2,355 | 2,340
Total costs and operating expenses | 4,084 | 3,374 | 7,875 | 7,080
Loss from operations | (1,701) | (1,916) | (2,472) | (3,516)
Other (expense) income: |  |  |  |
Change in fair value of warrant liability | (585) | (52) | (2,048) | 233
Other (expense) | (29) | (5) | (30) | (10)
Total other (expense) income | (614) | (57) | (2,078) | 223
Loss before provision for income taxes | (2,315) | (1,973) | (4,550) | (3,293)
Provision for income taxes | 3 | 1 | 6 | 4
Net loss | $ (2,318) | $ (1,974) | $ (4,556) | $ (3,297)
Net loss per common share outstanding, including redeemable common stock, basic and diluted (in dollars per share) | $ (0.03) | $ (0.04) | $ (0.07) | $ (0.07)
Weighted average common shares outstanding, including redeemable common stock, basic and diluted (in shares) | 66,863,147 | 47,079,000 | 66,857,630 | 47,073,000

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