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INCOME TAXES (Details 3) - USD ($) | Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
--- | --- | --- | ---
Deferred tax assets: |  |  |
Federal net operating loss carryforward | $ 1,481,531 | $ 2,041,207 | $ 2,076,141
State net operating loss carryforward | 277,673 | 318,830 | 413,401
AMT credit carryforward | 52,004 | 52,004 | 36,808
Inventory differences | 443,749 | 431,744 | 490,716
Allowance for doubtful accounts | 19,614 | 67,305 | 66,658
Reserve for sales returns | 112,100 | 76,482 | 90,895
Stock option compensation expense | 80,489 | 74,716 | 59,713
Stock warrants | 38,863 | 39,194 | 39,193
Accrued Vacation | 11,212 | 9,183 | 10,241
Total deferred tax assets | 2,517,235 | 3,110,665 | 3,283,766
Deferred tax liability: |  |  |
Depreciation | (108,704) | (96,725) | (86,091)
Net deferred tax assets before valuation allowance | 2,408,531 | 3,013,940 | 3,197,675
Valuation allowance | 0 | (708,385) | (799,419)
Net deferred tax assets | $ 2,408,531 | $ 2,305,555 | $ 2,398,256

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