Annual report pursuant to Section 13 and 15(d)

Balance Sheet Accounts - Equipment (Details)

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Balance Sheet Accounts - Equipment (Details) - USD ($)
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Equipment, Cost $ 679,135 $ 644,292
Accumulated Depreciation 585,558 490,148
Equipment, Net 93,577 154,144
Depreciation expense 100,000 100,000
Computers and electronics    
Equipment, Cost 303,337 303,337
Accumulated Depreciation 303,337 264,520
Equipment, Net   38,817
Furniture and fixtures    
Equipment, Cost 36,795 36,795
Accumulated Depreciation 36,795 30,953
Equipment, Net   5,842
Demonstration equipment    
Equipment, Cost 170,386 135,543
Accumulated Depreciation 76,809 37,662
Equipment, Net 93,577 97,881
Manufacturing equipment    
Equipment, Cost 88,742 88,742
Accumulated Depreciation 88,742 86,688
Equipment, Net   2,054
Tools and parts    
Equipment, Cost 11,422 11,422
Accumulated Depreciation 11,422 7,627
Equipment, Net   3,795
Assets under capital lease    
Equipment, Cost 68,453 68,453
Accumulated Depreciation $ 68,453 62,698
Equipment, Net   $ 5,755