Preferred Stock Preferred Stock - Series A Convertible Preferred Stock (Details) - shares				12 Months Ended
	Nov. 22, 2016	Dec. 23, 2015	Dec. 18, 2015	Dec. 31, 2014
Series A Convertible Preferred Stock
Shareholders' Equity
Shares issued upon conversion (in shares)		1,250	1,250
Common Stock
Shareholders' Equity
Shares converted (in shares)		1,250,000	1,250,000
Shares issued upon conversion (in shares)				408,000
Convertible preferred stock, shares issued upon conversion (in shares)			1,000
Preferred Stock
Shareholders' Equity
Shares converted (in shares)	1,250,000	1,250,000