Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Narrative (Details)

v3.19.1
Net Loss Per Share - Narrative (Details)
3 Months Ended
Dec. 27, 2018
shares
Mar. 31, 2019
shares
Dec. 31, 2018
shares
Anti-dilutive securities      
Preferred stock, shares authorized (in shares)   5,000,000 5,000,000
Series B Preferred Stock | Preferred Stock      
Anti-dilutive securities      
Preferred stock conversion ratio 5 5 5
Series B Preferred Stock | Preferred Stock | Private Placement      
Anti-dilutive securities      
Preferred stock, shares authorized (in shares) 2,857,143   2,857,143