SUPPLEMENTAL BALANCE SHEET INFORMATION (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Accrued payroll, bonuses and related expenses
Accrued payroll	$ 211	$ 313
Accrued bonuses	400	2,060
Accrued payroll taxes	935	515
Accrued vacation	409	494
Accrued severance	100	117
Other	359	253
Employee-related Liabilities, Current	2,414	3,752
Other accrued liabilities
Sales and value-added taxes payable	593	911
Lease termination liability	128	103
Accrued income taxes	51	152
Accrued acquisition consideration	0	32
Other	596	919
Other Accrued Liabilities, Current	$ 1,368	$ 2,117