9. Inventories (Details) - USD ($) $ in Thousands |
Mar. 31, 2018 |
Dec. 30, 2017 |
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Appliances held for resale | $ 1,154 | $ 762 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of merchandise inventory held by a retailer, wholesaler, or distributor for future sale; includes packaging and other supplies used to store, transport, or present merchandise inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|