Annual report pursuant to Section 13 and 15(d)

Stockholders' (Deficiency) Equity - Stock Based Compensation Expense (Details)

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Stockholders' (Deficiency) Equity - Stock Based Compensation Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Stock-Based Compensation    
Stock-based compensation expense $ 1,245 $ 937
Cost of goods sold    
Stock-Based Compensation    
Stock-based compensation expense 109 83
Research and development    
Stock-Based Compensation    
Stock-based compensation expense 79 41
Selling, general and administrative    
Stock-Based Compensation    
Stock-based compensation expense $ 1,057 $ 813