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STOCK OPTION RESERVE (Tables)
3 Months Ended
Jun. 30, 2021
Stock Option Reserve  
Disclosure Of Terms Stock Option Reserve Explanatory
            
   Three Months Ended June 30,
   2021  2020
(In thousands)  Non-Controlling Interest  Stock Option Reserve  Non-Controlling Interest  Stock Option Reserve
             
Balance, beginning of period  $11,468   $7,977   $10,618   $58 
Share-based compensation expense   98    2,082    295     
Balance, end of period  $11,566   $10,059   $10,913   $58 
Schedule of outstanding stock options
                  
  

PBI 2021 Equity Incentive

Plan 

  PBI 2013 Option Plan  iOx Option Plan
(Subsidiary Plan)
   Three Months Ended June 30,  Three Months Ended June 30,  Three Months Ended June 30,
   2021  2020  2021  2020  2021  2020
Balance, beginning of period   868,000            2,980    1,924    2,599 
Granted                        
Expired or forfeited                        
Balance, end of period   868,000            2,980    1,924    2,599 
Exercisable, end of period   116,666            2,980    1,764    1,723 
Schedule of weighted average exercise price and the remaining contractual life
                  
  

PBI 2021 Equity Incentive

Plan 

  PBI 2013 Option Plan  iOx Option Plan (Subsidiary Plan)
   As of June 30,  As of June 30,  As of June 30,
   2021  2020  2021  2020  2021  2020
Weighted average exercise price  $17.75   $   $   $15.00   $165.20   $152.74 
Weighted average remaining contractual life (in years)   9.54            1.47    0.70    1.24