Quarterly report pursuant to Section 13 or 15(d)

Capital Stock, Stock Plans and Stock-Based Compensation - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)

v3.19.3
Capital Stock, Stock Plans and Stock-Based Compensation - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details) - $ / shares
Aug. 29, 2019
Jul. 25, 2019
Jan. 17, 2019
Jul. 26, 2018
Jan. 18, 2018
Employee Stock Option Granted [Member]          
Weighted-average fair value per share $ 1.77   $ 1.42    
Risk -free interest rate [1] 1.40%   2.58%    
Expected volatility of stock [2] 51.38%   48.67%    
Dividend yield 0.00%   0.00%    
Expected option life [3] 5 years   5 years    
Outside Director Stock Options Granted [Member]          
Weighted-average fair value per share   $ 2.27   $ 3.02 $ 2.55
Risk -free interest rate [1]   2.08%   2.98% 2.62%
Expected volatility of stock [2]   54.28%   55.34% 57.29%
Dividend yield   0.00%   0.00% 0.00%
Expected option life [3]   10 years   10 years 10 years
[1] The risk-free interest rate is based on the U.S. Treasury yield in effect at the grant date over the expected term of the option.
[2] The expected volatility is based on historical volatility from our traded Common Stock over the expected term of the option.
[3] The expected option life is based on historical exercises and post-vesting data.