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Income Taxes (Tables)
12 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]  
Summary of total tax expense and effective income tax rate

For financial reporting purposes, income before income taxes includes the following components:

 

    Year Ended June 30,  
    2021     2020  
Pretax income (loss):            
United States   $ (5,265,813 )   $ (3,739,527 )
Foreign     3,014,477       5,370,454  
Income (loss) before income taxes   $ (2,251,336 )   $ 1,630,927  

 

 

The components of the provision for income taxes are as follows:

 

    Year Ended June 30,  
    2021     2020  
Current:            
Federal tax   $ -     $ -  
State     18,563       3,047  
Foreign     403,352       767,951  
Total current     421,915       770,998  
                 
Deferred:                
Federal tax     510,069       4,931  
State     1,931       (11,931 )
Foreign     -       -  
Total deferred     512,000       (7,000 )
                 
Total income tax provision   $ 933,915     $ 763,998  

 

Reconciliation of income tax
    Year Ended June 30,  
    2021     2020  
             
U.S. federal statutory tax rate     21.0 %     21.0 %
                 
Income tax provision reconciliation:                
Tax at statutory rate:   $ (472,782 )   $ 342,495  
Net foreign income subject to lower tax rate     (169,276 )     (497,959 )
State income taxes, net of federal benefit     (196,719 )     (75,415 )
Valuation allowance     (1,400,450 )     344,793  
NOL expiration and adjustments     3,516,695       (206,807 )
GILTI     310,431       835,101  
Federal research and development and other credits     (74,288 )     (71,962 )
Stock-based compensation     (265,485 )     -  
Other permanent differences     (67,893 )     (183,367 )
Other, net     (246,318 )     277,119  
    $ 933,915     $ 763,998  
Deferred tax assets and liabilities
    Year Ended June 30,  
    2021     2020  
Deferred tax assets:            
Net operating loss carryforwards   $ 13,585,000     $ 16,039,000  
Stock-based compensation     563,000       868,000  
R&D and other credits     2,177,000       2,108,000  
Capitalized R&D expenses     564,000       487,000  
Inventories     253,000       218,000  
Accrued expenses and other     347,000       99,000  
Gross deferred tax assets     17,489,000       19,819,000  
Valuation allowance for deferred tax assets     (15,644,000 )     (17,044,000 )
Total deferred tax assets     1,845,000       2,775,000  
Deferred tax liabilities:                
Depreciation and other     (255,000 )     (390,000 )
Intangible assets     (1,443,000 )     (1,726,000 )
Total deferred tax liabilities     (1,698,000 )     (2,116,000 )
Net deferred tax assets   $ 147,000     $ 659,000