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Note 1 - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

2021

  

2020

 

Raw materials

 $18,492  $14,865 

Work in process

  1,678   969 

Finished goods

  562   242 

Reserves

  (1,298)  (2,159)

Total

 $19,434  $13,917 
Property, Plant and Equipment [Table Text Block]

Buildings 

39 Years

Leasehold improvements

3-15 Years

Manufacturing equipment

3-7 Years

Office and other equipment

3-7 Years

  

2021

  

2020

 

Land

 $148  $176 

Building and Leasehold Improvements

  4,083   5,999 

Manufacturing Equipment

  18,892   22,685 

Office and Other Equipment

  6,934   7,148 

Accumulated Depreciation and Amortization

  (24,224)  (29,582)

Total Property and Equipment, Net

 $5,833  $6,426 
Revenue from External Customers by Products and Services [Table Text Block]
  

2021

  

2020

 

Medical

 $63,047  $55,098 

Aerospace and Defense

  16,639   20,624 

Industrial

  35,482   28,384 

Total Net Sales

 $115,168  $104,106 
Schedule of Long-lived Assets by Geographical Areas [Table Text Block]
  

United States

  

Mexico

  

China

  

Total

 

December 31, 2021

                

Property and equipment, net

 $4,664  $454  $715  $5,833 

Operating Lease Assets

 $5,287   2,800   896  $8,983 

Other assets

 $501   -   -  $501 
                 

December 31, 2020

                

Property and equipment, net

 $5,057  $681  $688  $6,426 

Operating Lease Assets

 $5,574   3,117   307  $8,998 

Other assets

 $1,173   -   -  $1,173 
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]
  

Year Ended

 
  

December 31, 2020

 
  

Previously Reported

  

After Reclassification

 

Cost of Goods Sold

 $95,651  $94,441 

General and Administrative Expenses

  8,043   9,253