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Stock-based Compensation Stock-Based Compensation Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	Sep. 16, 2019	Jan. 15, 2019	Jan. 15, 2018	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Award Vesting Period			3 years
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	10,000
Stock-based compensation				$ 5,223	$ 5,753	$ 5,812
Nonvested stock-based compensation expense				$ 7,700
Remaining weighted average vesting period				4 years
Grants in Period				863,128
Granted (in dollars per share)				$ 7.12
Granted (in shares)				1,075,000
Share price (in dollars per share)				$ 6.28
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period				416,253
Management [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Stock Awards Issued During Period		417,500	350,000
Stock Award Vesting Period		3 years	3 years
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Stock Awards Issued During Period		47,470	30,192
Stock Award Vesting Period			3 years
2016 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Authorized Under Stock Incentive Plan				4,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant				887,171
Restricted Stock [Member] \| Certain Employees and Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		790,000
Restricted Stock [Member] \| Outside Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		73,128
Non-Qualified Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				739,340
Incentive Stock Options (ISOs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				335,660
Share-based Payment Arrangement, Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				7 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in dollars per share)				$ 2.92
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period				20,486