Note 6 - Maximum Deferred Consideration Payments (Details) $ in Thousands	Oct. 03, 2015 USD ($)
BGA [Member]
2015	$ 127
2016	$ 271
2017
2018
Estimated future contingent consideration payments	$ 398
PCI [Member]
2015	262
2016	197
2017	$ 307
2018
Estimated future contingent consideration payments	$ 766
SDS [Member]
2015
2016	$ 180
2017	253
2018	313
Estimated future contingent consideration payments	746
2015	389
2016	648
2017	560
2018	313
Estimated future contingent consideration payments	$ 1,910