(Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 29, 2020	Dec. 31, 2019	Jan. 01, 2019
Earnings Per Share [Abstract]
Net income (loss) attributable to common stockholders	$ (23,259)	$ 1,647	$ (8,441)
Shares:
Basic weighted average shares outstanding (in shares)	44,272,474	44,036,947	42,329,556
Dilutive stock options and warrants (in shares)	0	939,489	0
Diluted weighted average number of shares outstanding (in shares)	44,272,474	44,976,436	42,329,556
Earnings per share:
Basic EPS (USD per share)	$ (0.53)	$ 0.04	$ (0.20)
Diluted EPS (USD per share)	$ (0.53)	$ 0.04	$ (0.20)
Anti-dilutive securities excluded from computation of diluted earnings per share	3,175,472	1,513,552	2,829,630