Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Accounts - Equipment (Details)

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Balance Sheet Accounts - Equipment (Details) - USD ($)
3 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Mar. 31, 2021
Equipment, Cost $ 632,050   $ 679,135
Accumulated Depreciation 564,205   585,558
Equipment, Net 67,845   93,577
Depreciation expense 9,000 $ 18,000  
Computers and electronics      
Equipment, Cost 303,337   303,337
Accumulated Depreciation 303,337   303,337
Furniture and fixtures      
Equipment, Cost 36,795   36,795
Accumulated Depreciation 36,795   36,795
Demonstration equipment      
Equipment, Cost 123,301   170,386
Accumulated Depreciation 55,456   76,809
Equipment, Net 67,845   93,557
Manufacturing equipment      
Equipment, Cost 88,742   88,742
Accumulated Depreciation 88,742   88,742
Tools and parts      
Equipment, Cost 11,422   11,422
Accumulated Depreciation 11,422   11,422
Assets under capital lease      
Equipment, Cost 68,453   68,453
Accumulated Depreciation $ 68,453   $ 68,453