Leases (Details) $ in Thousands	3 Months Ended
	Mar. 23, 2019 USD ($)
Lease Expense
Operating Lease Cost	$ 191
Short-term Lease Cost	90
Variable Lease Cost	55
Total Operating Lease Cost	336
Operating Lease – Operating Cash Flows	175
New ROU Assets – Operating Leases	$ 73
Weighted Average Remaining Lease Term – Operating Leases	1 year 7 months 24 days
Weighted Average Discount Rate – Operating Leases	5.00%