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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2016
Equity [Abstract] |
Summary of Common Shares Reserved for Future Issuance | The Company had reserved shares of common stock for possible future issuance as of December 31, 2016 and 2015 as follows:
| December 31,
| 2016 |  | 2015
Common stock warrants outstanding | 1,886,630 |  |  | 1,886,630 |
Stock options outstanding | 6,356,203 |  |  | 6,084,836 |
Restricted stock units outstanding | 2,975,800 |  |  | 960,203 |
Shares available for issuance pursuant to Novatel Wireless Notes | 30,000,000 |  |  | 30,000,000 |
Shares available for future grants of awards under the 2015 Incentive Compensation Plan | 1,332,035 |  |  | 1,074,602 |
Shares available for future grants of awards under the 2009 Omnibus Incentive Compensation Plan | 3,871,666 |  |  | 3,956,060 |
Shares available under the 2000 Employee Stock Purchase Plan | 89,676 |  |  | 879,241 |
Total shares of common stock reserved for issuance | 46,512,010 |  |  | 44,841,572 |

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