Inventories
 12 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories

6. Inventories:

 

 

 

 

 

March 31,
2022

 

March 31,
2021

 

 

 

 

 

 

 

Raw materials

 

 

 

$7,920,190

 

$6,917,716

Work in progress

 

 

 

1,016,916

 

5,912,935

Finished goods

 

 

 

7,974,690

 

3,455,365

Supplies and spare parts

 

 

 

147,610

 

1,031,407

 

 

 

 

$17,059,406

 

$17,317,423

During the years ended March 31, 2022 and 2021, inventories have been reduced by $3,772,066 and $18,962,254 respectively, as a result of a write-down to their net realizable value, which is included in cost of sales.