Stock Incentive Plans - Schedule of Stock Options and Stock Awards (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 29, 2019
Number of Shares
Outstanding at end of period (in shares)	698,980
Aggregate Intrinsic Value
Share price (in dollars per share)	$ 3.37	$ 4.01
The Plan and the 2014 Plan
Number of Shares
Outstanding at beginning of period (in shares)	676,480
Granted (in shares)	117,500
Exercised (in shares)	0
Forfeited or expired (in shares)	95,000
Outstanding at end of period (in shares)	698,980	676,480
Vested and exercisable (in shares)	352,480
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 5.48
Granted (in dollars per share)	3.01
Exercised (in dollars per share)	0
Forfeited (in dollars per share)	6.91
Outstanding at end of period (in dollars per share)	4.84	$ 5.48
Vested and exercisable (in dollars per share)	$ 6.71
Weighted Average Remaining Contractual Term (in years)
Outstanding weighted average remaining contractual term	7 years 2 months 12 days	7 years 1 month 6 days
Granted	9 years 10 months 24 days
Exercised	0 years
Forfeited or expired	0 years
Vested and exercisable	5 years 1 month 6 days
Aggregate Intrinsic Value
Outstanding at December 29, 2019 (in shares)		471,000
Outstanding at September 30, 2020	$ 216
Vested and exercisable at September 30, 2020	$ 45
Forfeited or expired (in shares)	95,000
The Plan and the 2014 Plan | CFO
Number of Shares
Forfeited or expired (in shares)	65,000
Aggregate Intrinsic Value
Forfeited or expired (in shares)	65,000