Share-Based Compensation - Share-based Compensation Award Activity (Details) - $ / shares	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Jan. 04, 2014
Restricted Stock
Number of Awards
Beginning outstanding balance (in shares)	2,189,178
Granted (in shares)	600,000
Vested (in shares)	(1,062,782)
Forfeited (in shares)	(23,000)
Ending outstanding balance (in shares)	1,703,396	2,189,178
Weighted Average Fair Value
Beginning outstanding balance (in dollars per share)	$ 1.68
Granted (in dollars per share)	0.99
Vested (in dollars per share)	1.39
Forfeited (in dollars per share)	1.70
Ending outstanding balance (in dollars per share)	$ 1.46	$ 1.68
Restricted Stock Units (RSUs)
Number of Awards
Beginning outstanding balance (in shares)	54,054
Granted (in shares)	1,448,661
Vested (in shares)	0
Forfeited (in shares)	(100,909)
Ending outstanding balance (in shares)	1,401,806	54,054
Weighted Average Fair Value
Beginning outstanding balance (in dollars per share)	$ 1.13
Granted (in dollars per share)	1.00
Vested (in dollars per share)	0.00
Forfeited (in dollars per share)	0.99
Ending outstanding balance (in dollars per share)	$ 1.00	$ 1.13
Performance Shares
Number of Awards
Beginning outstanding balance (in shares)	1,102,089
Granted (in shares)	727,500
Vested (in shares)	(551,041)
Forfeited (in shares)	(15,481)
Ending outstanding balance (in shares)	1,263,067	1,102,089
Weighted Average Fair Value
Beginning outstanding balance (in dollars per share)	$ 1.56
Granted (in dollars per share)	0.94
Vested (in dollars per share)	2.90
Forfeited (in dollars per share)	1.59
Ending outstanding balance (in dollars per share)	$ 0.90	$ 1.56
Stock options
Shares
Beginning outstanding balance (in shares)	784,500
Granted (in shares)	0	0	0
Exercised (in shares)	0	0	0
Forfeited (in shares)	0
Expired (in shares)	(25,500)
Ending outstanding balance (in shares)	759,000	784,500
Exercisable (in shares)	759,000
Weighted Average Exercise Price
Beginning outstanding balance (in dollars per share)	$ 5.05
Granted (in dollars per share)	0.00
Exercised (in dollars per share)	0.00
Forfeited (in dollars per share)	0.00
Expired (in dollars per share)	12.99
Ending outstanding balance (in dollars per share)	4.77	$ 5.05
Exercisable (in dollars per share)	$ 4.77