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, 2022
Jun. 30, 2021
Mar. 31, 2022
Equipment, Cost $ 690,230   $ 689,940
Accumulated Depreciation 610,341   598,706
Equipment, Net 79,889   91,234
Depreciation expense 12,000 $ 9,000  
Computers and electronics      
Equipment, Cost 315,837   315,837
Accumulated Depreciation 306,462   305,420
Equipment, Net 9,375   10,417
Furniture and fixtures      
Equipment, Cost 36,795   36,795
Accumulated Depreciation 36,795   36,795
Demonstration equipment      
Equipment, Cost 168,981   168,691
Accumulated Depreciation 98,467   87,874
Equipment, Net 70,514   80,817
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