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Commintments and Contingencies
 12 Months Ended
Dec. 28, 2013
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies
Commitments and Contingencies
Leases
The Company leases facilities located in Westborough, Massachusetts, Santa Clara, California, Scotts Valley, California, Dalgety Bay, Scotland and Nottingham, United Kingdom, under non-cancelable operating leases. The Westborough lease expires in 2023. The Santa Clara lease expires in 2016. The Scotts Valley lease expires in November 2014. The Dalgety Bay lease expires in 2016. The Company also leases two facilities in Nottingham, United Kingdom which expire in 2016 and 2017. Substantially all real estate taxes, insurance and maintenance expenses under these leases are the Company’s obligations and are expensed as incurred and were immaterial. The following is a schedule of minimum rental commitments under non-cancelable operating leases at December 28, 2013:
 
Fiscal Year ending,
Amount
2014
$
1,266,000

2015
1,177,000

2016
836,000

2017
665,000

2018
641,000

Thereafter
2,768,000

Total minimum lease payments
$
7,353,000


Amounts incurred under operating leases are recorded as rent expense on a straight-line basis and aggregated approximately $1.3 million in fiscal year 2013, $0.8 million in fiscal year 2012 and $1.1 million in fiscal year 2011.
Other Agreements
The Company has entered into various license agreements which require payment of royalties based upon a set percentage of product sales, subject in some cases, to certain minimum amounts. Total royalty expense approximated $20,000, $18,000 and $18,000, respectively, in fiscal years 2013, 2012 and 2011.

The Company received a $3.0 million grant in fiscal year 2008 from the Commonwealth of Massachusetts as an incentive to retain jobs in Massachusetts. As a result of the sale of the III-V product line the Company repaid all of such amounts to the state in 2013.