Stockholders' Deficit - Shares Authorized and Outstanding (Details) - shares	Sep. 29, 2019	Dec. 30, 2018
Authorized shares of preferred stock	5,000,000.0
Authorized shares of common stock	100,000,000.0
Outstanding shares of common stock , net of repurchased stock	31,400,000	31,400,000
Series B Convertible Preferred Stock, shares outstanding	252,530	0
Series B Preferred Stock
Authorized shares of preferred stock	260,000
Series B Convertible Preferred Stock, shares outstanding	252,530