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Quarterly Information (Unaudited) | 12 Months Ended
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Sep. 30, 2019
Quarterly Financial Information Disclosure [Abstract] |
QUARTERLY INFORMATION (UNAUDITED) | 11. QUARTERLY INFORMATION (UNAUDITED) The following table sets forth selected quarterly financial data for 2019, 2018, and 2017 (shown in thousands except per share data):
| 2019 |  |  |  |  |  |
| 1 |  |  | 2 |  |  | 3 |  |  | 4 |
Revenue | $ | 17,683 |  |  | $ | 19,983 |  |  | $ | 21,906 |  |  | $ | 25,018 |
Cost of revenue | 2,878 |  |  | 2,991 |  |  | 3,168 |  |  | 3,229 |
Operating expenses | 19,365 |  |  | 18,642 |  |  | 21,647 |  |  | 17,260 |
Operating income (loss) | (4,560) |  |  | (1,650) |  |  | (2,909) |  |  | 4,529 |
Other income, net | 14 |  |  | 140 |  |  | 98 |  |  | 350 |
Income tax benefit (provision) | 1,355 |  |  | 794 |  |  | 2,712 |  |  | (1,597) |
Net income (loss) | $ | (3,191) |  |  | $ | (716) |  |  | $ | (99) |  |  | $ | 3,282 |
Net income (loss) per share: |  |  |  |  |  |  |
Net income (loss) per share—basic | $ | (0.08) |  |  | $ | (0.02) |  |  | $ | (0.00) |  |  | $ | 0.08 |
Net income (loss) per share—diluted | $ | (0.08) |  |  | $ | (0.02) |  |  | $ | (0.00) |  |  | $ | 0.08 |
Shares used in calculating net income (loss) per share—basic | 38,247 |  |  | 38,926 |  |  | 39,936 |  |  | 40,252 |
Shares used in calculating net income (loss) per share—diluted | 38,247 |  |  | 38,926 |  |  | 39,936 |  |  | 41,635 |
| 2018 |  |  |  |  |  |
| 1 |  |  | 2 |  |  | 3 |  |  | 4 |
Revenue | $ | 12,136 |  |  | $ | 14,277 |  |  | $ | 16,109 |  |  | $ | 21,037 |
Cost of revenue | 1,617 |  |  | 1,717 |  |  | 2,678 |  |  | 2,674 |
Operating expenses | 12,831 |  |  | 13,825 |  |  | 16,294 |  |  | 19,729 |
Operating loss | (2,312) |  |  | (1,265) |  |  | (2,863) |  |  | (1,366) |
Other income (expense), net | 190 |  |  | 204 |  |  | (1,351) |  |  | 22 |
Income tax benefit (provision) | (3,614) |  |  | (99) |  |  | 1,430 |  |  | (783) |
Net loss | $ | (5,736) |  |  | $ | (1,160) |  |  | $ | (2,784) |  |  | $ | (2,127) |
Net loss per share: |  |  |  |  |  |  |
Net loss per share—basic and diluted | $ | (0.17) |  |  | $ | (0.03) |  |  | $ | (0.08) |  |  | $ | (0.06) |
Shares used in calculating net loss per share—basic and diluted | 34,207 |  |  | 34,976 |  |  | 36,190 |  |  | 37,858 |
| 2017 |  |  |  |  |  |
| 1 |  |  | 2 |  |  | 3 |  |  | 4 |
Revenue | $ | 9,269 |  |  | $ | 11,419 |  |  | $ | 11,798 |  |  | $ | 12,904 |
Cost of revenue | 891 |  |  | 830 |  |  | 1,182 |  |  | 1,138 |
Operating expenses | 9,050 |  |  | 9,365 |  |  | 10,132 |  |  | 10,033 |
Operating income (loss) | (672) |  |  | 1,224 |  |  | 484 |  |  | 1,733 |
Other income, net | 65 |  |  | 67 |  |  | 149 |  |  | 121 |
Income tax benefit (provision) | — |  |  | (74) |  |  | (17) |  |  | 11,012 |
Net income (loss) | $ | (607) |  |  | $ | 1,217 |  |  | $ | 616 |  |  | $ | 12,866 |
Net income (loss) per share: |  |  |  |  |  |  |
Net income (loss) per share—basic | $ | (0.02) |  |  | $ | 0.04 |  |  | $ | 0.02 |  |  | $ | 0.38 |
Net income (loss) per share—diluted | $ | (0.02) |  |  | $ | 0.03 |  |  | $ | 0.02 |  |  | $ | 0.35 |
Shares used in calculating net income (loss) per share—basic | 32,377 |  |  | 32,786 |  |  | 33,024 |  |  | 33,522 |
Shares used in calculating net income (loss) per share—diluted | 32,377 |  |  | 34,815 |  |  | 35,610 |  |  | 36,251 |

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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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