Note 9 - Stockholders' Equity - Stockholders' Equity Adjustments (Details) $ in Thousands	Jan. 02, 2017 USD ($)
Balance	$ 18,930
Adjustments
Balance	18,930
Common Stock [Member]
Balance	87
Adjustments
Balance	87
Additional Paid-in Capital [Member]
Balance	17,864
Adjustments	(3,038)
Balance	14,826
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Balance	(163)
Adjustments	22
Balance	(141)
Retained Earnings [Member]
Balance	4,158
Adjustments
Balance	4,158
Parent [Member]
Balance	21,946
Adjustments	(3,016)
Balance	18,930
Noncontrolling Interest [Member]
Balance	(3,016)
Adjustments	3,016
Balance