LEASED ASSETS (Schedule of right-of-use assets and related lease liabilities) (Details) - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Operating lease liabilities
Noncurrent portion	$ 2,028
Total operating lease liabilities	$ 2,613
Weighted average remaining lease term of operating leases	11 years 9 months 29 days
Other Assets [Member]
Operating Leased Assets [Line Items]
Right-of-use assets	$ 2,613
Trade accounts payable and accrued expenses [Member]
Operating lease liabilities
Current portion	$ 585