v3.5.0.2
18. Income Taxes (Details - Deferred tax assets) - USD ($)
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets:    
Allowance for uncollectible accounts receivable $ 53,416 $ 84,243
Inventory valuation reserve 190,590 129,824
Accrued sales returns 543,211 0
Accrued royalties 63,835 56,528
Accrued commissions 17,020 34,161
Accrued paid time off 14,993 9,615
Accrued wages 145,772 60,365
Warranty reserve 14,175 10,097
Fixed assets 6,152 19,481
Unearned revenue 260,980 0
Net operating loss carryforward 16,125,758 9,530,417
Gross deferred tax asset 17,435,902 9,934,731
Less deferred tax asset valuation allowance (17,420,253) (9,934,731)
Deferred tax asset -net 15,649 0
Deferred tax liabilities:    
Intangible assets (15,649) 0
Gross deferred tax liability (15,649) 0
Net deferred tax asset $ 0 $ 0