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10. INCOME TAXES (Details - Tax reconciliation)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Income Tax Disclosure [Abstract]    
US federal statutory rate 21.00% 21.00%
State tax rate, net of federal benefit 2.80% 2.80%
Share-based compensation 0.00% (2.20%)
Foreign rate differential 1.40% 0.50%
Other 1.90% 2.60%
Change in tax credits (0.10%) 0.00%
Effect of federal tax rate change 0.00% 208.20%
Effect of repatriating Swiss earnings 0.00% 16.20%
Capital loss - expiration 0.00% 30.00%
Change in valuation allowance (26.60%) (397.20%)
Federal Alternative Minimum Taxes (AMT) 0.10% 0.00%
Permanent differences (0.40%) 0.00%
Income tax benefit 0.10% (118.20%)