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INCOME TAXES, Deferred Income Tax Assets (Details) - USD ($)
Jun. 30, 2020
Jun. 30, 2019
Deferred Income Tax Assets [Abstract]    
Reversals and accruals $ 476,666 $ 970,516
Prepaid expenses (39,943) (38,552)
Federal NOL carryforwards 4,980,513 4,911,437
State NOL carryforwards 663,918 674,522
Hong Kong NOL carryforwards 995,566 995,566
Federal benefit on state taxes under uncertain tax positions 1,668 1,304
Stock-based compensation 392,924 194,524
Research tax credit 252 83,315
Contributions carryforward 7,184 0
Depreciation (172,010) (157,310)
Inventory valuation reserve 1,594,795 0
Operating lease liabilities 185,422 0
Operating lease right-of-use assets (131,008) 0
Accrued rent 0 88,923
Loss on impairment of long-lived assets 32,749 32,985
Valuation allowance (8,988,696) (7,757,230)
Total deferred income tax assets, net $ 0 $ 0