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Note 8 - Balance Sheet Details (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30,

  

December 31,

 
  

2021

  

2020

 

Raw material

 $623,592  $375,516 

Work-in-process

  8,808   6,833 

Finished goods

  302,548   220,968 

Total

 $934,948  $603,317 
Property, Plant and Equipment [Table Text Block]
  

September 30,

  

December 31,

 
  

2021

  

2020

 
         

Land and improvements

 $22,907  $18,363 

Buildings and improvements

  230,731   198,908 

Machinery and equipment

  176,585   153,696 

Dies and tools

  29,014   24,190 

Vehicles

  6,977   6,037 

Office equipment and systems

  121,914   107,923 

Leasehold improvements

  4,231   5,276 

Construction in progress

  44,603   30,227 

Gross property and equipment

  636,962   544,620 

Accumulated depreciation

  (224,256)  (200,684)

Total

 $412,706  $343,936