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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Summary of Company's Restricted Share Activity
The following table summarizes all restricted stock unit activity (in thousands, except per share data):
RSUs
Outstanding
Weighted-Average Grant Date Fair Value
Balance as of December 31, 2021847 $2.28 
Granted219 4.63 
Released(223)2.64 
Canceled/Forfeited(133)2.38 
Balance as of June 30, 2022710 $2.97 
Summary Information about Stock Option Activity
The following table summarizes all stock option activity (in thousands, except per share data and time periods):
Options
Outstanding
Weighted-
Average
Exercise
Price
Weighted-
Average
Remaining
Contractual
Term (Years)
Aggregate
Intrinsic
Value
Balance as of December 31, 2021397 $2.89 5.7$998 
Granted— — 
Exercised(119)1.87 
Canceled/Forfeited(3)2.24 
Expired(60)3.97 
Balance as of June 30, 2022215 $3.19 5.0$429 
Exercisable as of June 30, 2022209 $3.23 4.0$413