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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2019
Stock-Based Compensation |
Summary of Stock Option Activity |
|  |  |  | Options Outstanding
|  |  |  |  |  | Weighted- |  | Weighted- |  |  |
|  | Options and |  |  |  | Average |  | Average |  |  |
|  | Awards |  |  |  | Exercise |  | Remaining |  | Aggregate
|  | Available for |  | Number of |  | Price Per |  | Contractual |  | Intrinsic
|  | Grant |  | Options |  | Share |  | Life (years) |  | Value
|  |  |  |  |  |  |  |  |  |  | (In thousands)
Balance—December 31, 2018 |  | 764,145 |  | 1,475,299 |  | $ | 7.60 |  | 7.8 |  | $ | 284
Authorized |  | 512,864 |  |  |  |  |  |  |  |  |  |
RSUs granted |  | (165,152) |  |  |  |  |  |  |  |  |  |
RSUs cancelled/forfeited |  | 9,000 |  |  |  |  |  |  |  |  |  |
Options granted |  | (587,852) |  | 587,852 |  | $ | 6.70 |  |  |  |  |
Options exercised |  |  |  | (10,278) |  | $ | 4.70 |  |  |  | $ | 24
Options cancelled/forfeited |  | 136,154 |  | (145,161) |  | $ | 8.78 |  |  |  |  |
Balance—September 30, 2019 |  | 669,159 |  | 1,907,712 |  | $ | 7.25 |  | 8.0 |  | $ | 385
Options exercisable—September 30, 2019 |  |  |  | 872,161 |  | $ | 7.03 |  | 7.0 |  | $ | 385
Schedule of Restricted Stock Unit Activity |
|  | RSUs Outstanding
|  |  |  | Weighted-
|  |  |  | Average
|  | Number of |  | Grant Date
|  | Restricted Stock |  | Fair Value Per
|  | Units |  | Share
Balance—December 31, 2018 |  | 93,560 |  | $ | 8.38
Granted |  | 165,152 |  |  | 6.80
Vested |  | (30,492) |  |  | 8.40
Cancelled/forfeited |  | (9,000) |  |  | 7.86
Balance—September 30, 2019 |  | 219,220 |  | $ | 7.21
Summary of Stock-Based Compensation Expense | The Company recognized stock-based compensation expense from awards granted to employees and non-employees under its equity incentive plans and from its ESPP as follows, excluding amounts related to GLOBALFOUNDRIES, Inc. (GF) (in thousands):
|  | Three Months Ended September 30, |  | Nine Months Ended September 30, |
|  | 2019 |  | 2018 |  | 2019 |  | 2018 |
Research and development |  | $ | 176 |  | $ | 132 |  | $ | 484 |  | $ | 378 |
General and administrative |  |  | 627 |  |  | 504 |  |  | 1,692 |  |  | 1,403 |
Sales and marketing |  |  | 92 |  |  | 86 |  |  | 221 |  |  | 283 |
Total |  | $ | 895 |  | $ | 722 |  | $ | 2,397 |  | $ | 2,064 |

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