|
Note 3 - Consolidated financial statement details (Details) (USD $)
|
3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2013
|
Jul. 01, 2012
|
Jun. 30, 2013
|
Jul. 01, 2012
|
Jun. 30, 2013
Machinery and Equipment [Member]
Assets Under Capital Lease [Member]
|
Jul. 01, 2012
Machinery and Equipment [Member]
Assets Under Capital Lease [Member]
|
Jun. 30, 2013
Machinery and Equipment [Member]
Assets Under Capital Lease [Member]
|
Jul. 01, 2012
Machinery and Equipment [Member]
Assets Under Capital Lease [Member]
|
Jun. 30, 2013
Machinery and Equipment [Member]
|
Dec. 30, 2012
Machinery and Equipment [Member]
|
Jun. 30, 2013
Computer Equipment [Member]
Assets Under Capital Lease [Member]
|
Jul. 01, 2012
Computer Equipment [Member]
Assets Under Capital Lease [Member]
|
Jun. 30, 2013
Computer Equipment [Member]
Assets Under Capital Lease [Member]
|
Jul. 01, 2012
Computer Equipment [Member]
Assets Under Capital Lease [Member]
|
Jun. 30, 2013
Computer Equipment [Member]
|
Dec. 30, 2012
Computer Equipment [Member]
|
Jun. 30, 2013
Leasehold Improvements [Member]
Assets Under Capital Lease [Member]
|
Jul. 01, 2012
Leasehold Improvements [Member]
Assets Under Capital Lease [Member]
|
Jun. 30, 2013
Leasehold Improvements [Member]
Assets Under Capital Lease [Member]
|
Jul. 01, 2012
Leasehold Improvements [Member]
Assets Under Capital Lease [Member]
|
Jun. 30, 2013
Leasehold Improvements [Member]
|
Dec. 30, 2012
Leasehold Improvements [Member]
|
|
| Note 3 - Consolidated financial statement details (Details) [Line Items] | ||||||||||||||||||||||
| Capital Leased Assets, Gross | $ 6,415,000 | $ 5,114,000 | $ 400,000 | $ 400 | $ 73,000 | $ 73,000 | ||||||||||||||||
| Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation | 1,586,000 | 1,038,000 | 19,000 | 3,000 | ||||||||||||||||||
| Depreciation | 1,008,000 | 772,000 | 1,917,000 | 1,524,000 | 207,000 | 176,000 | 407,000 | 343,000 | 33,000 | 34,000 | 67,000 | 56,000 | 3,000 | 7,000 | 3,000 | 7,000 | ||||||
| Capital Leases, Lessee Balance Sheet, Assets by Major Class, Property, Plant, and Equipment Other, Accumulated Depreciation | $ 189,000 | $ 122,000 | ||||||||||||||||||||