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Note 5 - Restructuring and Other Charges (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
  

EMS

Facility Consolidation

  

Executive

Management

Changes

  

Other Charges

  

Total

 

Balance - January 1, 2020

 $-  $-  $-  $- 

Accruals for severance and other one-time termination benefits

  69   133   46   248 

Accruals for other associated costs

  159   -   14   173 

Accruals for costs related to subletting the Fremont, CA facility

  153   -   -   153 

Accruals for costs related to subletting the Mansfield, MA facility

  -   99   -   99 

Cash payments

  (148

)

  (125

)

  (60

)

  (333

)

Balance - December 31, 2020

  233   107   -   340 

Accruals for severance and other one-time termination benefits

  -   120   -   120 

Accruals for other associated costs

  183   -   -   183 

Cash payments

  (416

)

  (157

)

  -   (573

)

Balance - December 31, 2021

 $-  $70  $-  $70