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Other Long-Term Liabilities
 6 Months Ended
Jun. 30, 2022
Other Liabilities Disclosure [Abstract]  
Other Long-Term Liabilities
10.
Other Long-Term Liabilities

Other long-term liabilities consisted of the following (in thousands):

 

 

 

June,

 

 

December 31,

 

 

 

2022

 

 

2021

 

Long-term tax liabilities

 

 

91

 

 

 

182

 

Contingent loss for research and development tax credits

 

 

2,755

 

 

 

2,990

 

One S.r.l. call option
  (see Note 11)

 

 

3,062

 

 

 

2,416

 

Total other long-term liabilities

 

$

5,908

 

 

$

5,588