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Note 8 - Goodwill and Long-lived Assets (Tables)
12 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Goodwill [Table Text Block]
  

Sterilization and Disinfection Control

  

Instruments

  

Biopharmaceutical Development

  

Continuous Monitoring

  

Corporate and Other

  

Total

 

March 31, 2019

 $29,780  $18,235   -  $18,103   259   66,377 

Effect of foreign currency translation

  (186)  (20)  (2,446)  -   (1)  (2,653)

Acquisitions

  -   908   77,162   -   -   78,070 

Impairment

  -   -   -   -   (258)  (258)

March 31, 2020

  29,594   19,123  $74,716  $18,103  $-  $141,536 

Effect of foreign currency translation

  559   63   10,715   -   -   11,337 

Goodwill adjustment related to GPT acquisition

  -   -   7,968   -   -   7,968 

March 31, 2021

 $30,153  $19,186  $93,399  $18,103  $-  $160,841 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

March 31, 2021

  

March 31, 2020

 
  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

 

Intellectual property

 $21,201  $(8,595) $12,606  $15,731  $(6,454) $9,277 

Trade names

  8,612   (3,129)  5,483   5,839   (2,855)  2,984 

Customer relationships

  145,754   (52,206)  93,548   146,106   (38,777)  107,329 

Non-compete agreements

  1,299   (1,195)  104   1,447   (1,166)  281 

Total

 $176,866  $(65,125) $111,741  $169,123  $(49,252) $119,871 
      

Weighted Average

 
  

Estimated Useful Life

  

Remaining Life

 

Description

 

(Years)

  

(Years)

 

Intellectual Property

  10 - 15   8.4 

Trade Name

  5 - 10   4.3 

Customer Relationships

  5 - 10   8.5 

Non-compete Agreements

  5 - 10   2.0 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2022

 $14,930 

2023

  14,721 

2024

  14,206 

2025

  12,612 

2026

  11,824