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Accounts payable and accrued expenses
6 Months Ended
Jun. 29, 2013
Payables and Accruals [Abstract]  
Accounts payable and accrued expenses
Accounts payable and accrued expenses

Accounts payable and accrued expenses are as follows:
 
June 29,
2013
 
December 31,
2012
Outstanding checks in excess of cash
$
14,057

 
25,480

Accounts payable, trade
729,034

 
387,871

Accrued expenses
244,929

 
180,039

Product warranties
33,674

 
32,930

Accrued interest
36,542

 
26,843

Deferred tax liability
14,255

 
6,309

Income taxes payable
5,308

 
2,074

Accrued compensation and benefits
183,992

 
111,890

Total accounts payable and accrued expenses
$
1,261,791

 
773,436