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Income Taxes (Details) - Schedule of Deferred Tax Assets and Liabilities - USD ($)
Mar. 31, 2020
Mar. 31, 2019
Schedule of Deferred Tax Assets and Liabilities [Abstract]    
Net operating loss carryforwards $ 845,898 $ 1,345,245
Tax credits 329,032 329,032
Charitable contributions 126 116
Legal damages 1,194,268 1,117,904
Allowance for doubtful accounts 1,575 1,576
Reserve for inventory obsolescence 115,517 104,626
Inventory capitalization 48,750 70,633
Vacation accrual 76,879 68,416
Warranty reserve 24,938 24,794
Deferred revenues 99,197 76,009
Stock options 15,683 15,687
AMT credit 64,766 63,500
Depreciation (3,849) 5,070
Deferred tax asset 2,812,780 3,222,608
Less valuation allowance (100,000) (3,159,108)
Deferred tax asset, net $ 2,712,780 $ 63,500