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6. INCOME TAXES (Tables)
12 Months Ended
Jun. 30, 2017
Income Tax Disclosure [Abstract]  
Schedule of Income tax provision from continuing operations
   Year Ended June 30, 
   2017   2016 
Current income tax expense (benefit):          
Federal  $16,760   $19,343 
State   800    (32,715)
    17,560    (13,372)
Deferred income tax expense (benefit):          
Federal   440,647    350,958 
State        
Foreign   (83,620)   (302,653)
    357,027    48,305 
Provision for income taxes  $374,587   $34,933 
Schedule of effective income tax rate
   Year Ended June 30, 
   2017   2016 
Federal tax provision, at statutory rate of 34%  $389,495   $751,773 
State tax, net of federal tax benefit   (50,107)   (142,139)
Nondeductible expenses   5,762    (16,619)
R&D credits   (39,394)   (43,664)
Foreign rate difference   17,063    (33,828)
Other   1,133    (72,803)
Change in valuation allowance   50,635    (407,787)
Provision for income taxes  $374,587   $34,933 
Schedule of deferred tax assets
   June 30, 2017   June 30, 2016 
Deferred tax asset:          
Net operating losses  $1,221,466   $1,716,980 
State tax   272    272 
Intangibles   71,716    19,993 
Tax credits   541,390    425,011 
Other, net   107,903    111,732 
Total deferred tax assets   1,942,747    2,273,988 
Deferred tax liabilities:          
Fixed asset   (30,089)   (16,600)
Intangibles       (38,535)
Total deferred tax liabilities   (30,089)   (55,135)
Less valuation allowance   (250,752)   (200,117)
Net deferred tax asset  $1,661,906   $2,018,736 
Schedule of unrecognized tax benefits
Balance as of June 30, 2015  $130,464 
Gross increase   38,059 
Balance as of June 30, 2016   168,523 
Gross increase   52,622 
Balance as of June 30, 2017  $221,145