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Accounts payable and accrued expenses
3 Months Ended
Apr. 01, 2017
Payables and Accruals [Abstract]  
Accounts payable and accrued expenses
Accounts payable and accrued expenses

Accounts payable and accrued expenses are as follows:
 
April 1,
2017
 
December 31,
2016
Outstanding checks in excess of cash
$
11,111

 
12,269

Accounts payable, trade
780,467

 
729,415

Accrued expenses
328,612

 
333,942

Product warranties
46,563

 
46,347

Accrued interest
6,794

 
20,396

Accrued compensation and benefits
156,794

 
193,213

Total accounts payable and accrued expenses
$
1,330,341

 
1,335,582