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Condensed Balance Sheets - USD ($)
Dec. 31, 2022
Mar. 31, 2022
Current assets:    
   Cash and cash equivalents $ 6,095,886 $ 5,423,086
   Accounts receivable, net 2,576,240 3,446,417
   Inventories, net 5,154,524 5,213,573
   Prepaid expenses and other current assets 395,161 488,606
   Deferred cost on shipments to distributors 158,977 152,418
      Total current assets 14,380,788 14,724,100
Property and equipment:    
   Machinery and office equipment 2,436,897 2,440,287
   Computer equipment 1,909,895 1,996,488
 Property, plant, and equipment, gross 4,346,792 4,436,775
   Accumulated depreciation (3,277,979) (3,392,065)
      Property and equipment, net 1,068,813 1,044,710
Intangible assets, net 1,813,961 1,782,137
Other long-term assets 140,281 351,637
Deferred tax assets 7,960,419 7,884,254
Operating lease right-of-use asset 210,839 106,417
      Total assets 25,575,101 25,893,255
Current liabilities:    
   Accounts payable and accrued expenses 2,169,055 2,205,189
   Accrued payroll and related expenses 692,994 755,925
   Deferred revenue on shipments to distributors 407,235 370,768
   Short term portion of deferred service revenue 17,128 21,390
   Note Payable – current portion 500,000 500,000
   Subordinated convertible notes payable, net of discount 143,514 144,487
   Subordinated convertible notes payable, net of discount-related party 1,201,334 1,208,634
   Operating lease – current portion 258,097 130,047
      Total current liabilities 5,389,357 5,336,440
Long-term portion of deferred service revenue 14,281 20,656
Long-term portion of note payable 125,000
   Total liabilities 5,528,638 5,357,096
Commitments and contingencies
Stockholders’ equity:    
   Additional paid-in capital 66,139,630 66,287,304
   Accumulated deficit (46,100,351) (45,758,418)
      Total stockholders’ equity 20,046,463 20,536,159
         Total liabilities and stockholders’ equity $ 25,575,101 $ 25,893,255