Note 8 - Stockholders' Equity - Stockholders' Equity Adjustments (Details) $ in Thousands	Jan. 02, 2017 USD ($)
Balance	$ 18,930
Balance	18,930
Adjustments
Common Stock [Member]
Balance	87
Balance	87
Adjustments
Additional Paid-in Capital [Member]
Balance	14,826
Balance	17,864
Adjustments	(3,038)
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Balance	(141)
Balance	(163)
Adjustments	22
Retained Earnings [Member]
Balance	4,158
Balance	4,158
Adjustments
Parent [Member]
Balance	18,930
Balance	21,946
Adjustments	(3,016)
Noncontrolling Interest [Member]
Balance
Balance	(3,016)
Adjustments	$ 3,016