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Schedule of Deferred Tax Assets and Liabilities (Details - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Deferred tax assets:    
  Net operating loss carryforwards $ 6,201,000 $ 5,906,000
  Tax credits 891,000 901,000
  Accruals & reserves 1,118,000 951,000
  Lease liabilities 920,000 1,043,000
  Depreciation 12,000 45,000
  Share-based compensation 229,000 190,000
  Capitalized Research Costs 2,078,000 1,105,000
     Total deferred tax assets 10,449,000 10,141,000
  Valuation allowance (446,000) (464,000)
     Net deferred tax assets 11,003,000 9,677,000
Deferred tax liabilities:    
  Amortization (29,000) (11,000)
  ROU assets (864,000) (996,000)
Net deferred tax asset (liability) $ 10,110,000 $ 8,670,000