Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary Of Stock Option Activity (Details)

v3.7.0.1
Stock-Based Compensation - Summary Of Stock Option Activity (Details) - $ / shares
6 Months Ended 12 Months Ended
Mar. 28, 2017
Jun. 30, 2017
Dec. 31, 2016
Number of Shares      
Outstanding beginning balance (in shares)   4,645,884 3,485,791
Granted (in shares)   793,738 1,274,549
Exercised (in shares) (162,212) (226,194) 0
Forfeited (in shares)   (1,088) (114,456)
Expired (in shares)   0 0
Canceled (in shares)   (571,927)  
Outstanding ending balance (in shares)   4,640,413 4,645,884
Exercisable ending balance (in shares)   3,847,763 2,354,466
Weighted Average Exercise Price      
Outstanding beginning balance (in dollars per share)   $ 3.49 $ 3.96
Granted (in dollars per share)   14.00 2.25
Exercised (in dollars per share)   3.96 0.00
Forfeited (in dollars per share)   14.00 3.96
Expired (in dollars per share)   0.00 0.00
Canceled (in dollars per share)   3.96  
Outstanding ending balance (in dollars per share)   5.20 3.49
Exercisable ending balance (in dollars per share)   3.39 3.77
Weighted Average Grant-Date Fair Value      
Outstanding beginning balance (in dollars per share)   1.77 1.77
Granted (in dollars per share)   3.35 1.77
Exercised (in dollars per share)   1.77 0.00
Forfeited (in dollars per share)   3.35 1.77
Expired (in dollars per share)   0.00 0.00
Canceled (in dollars per share)   1.77  
Outstanding ending balance (in dollars per share)   2.04 1.77
Exercisable ending balance (in dollars per share)   $ 1.77 $ 1.77