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Long-Term Debt - Additional Information (Details) - USD ($)
6 Months Ended
Dec. 31, 2020
Jun. 30, 2020
Debt Instrument [Line Items]    
Term of loan (in years) 2 years  
Revolving line of credit expiring June 2021    
Debt Instrument [Line Items]    
Revolving credit loan facility, maximum borrowing capacity $ 11,000,000  
Third Amended and Restated Credit Agreement    
Debt Instrument [Line Items]    
Percentage of common stock of foreign subsidiaries pledged as collateral 65.00%  
Third Amended and Restated Credit Agreement | Variable Interest Rate Option One | Minimum    
Debt Instrument [Line Items]    
Interest rate over the reference rate 1.15%  
Third Amended and Restated Credit Agreement | Variable Interest Rate Option One | Maximum    
Debt Instrument [Line Items]    
Interest rate over the reference rate 2.00%  
Third Amended and Restated Credit Agreement | Variable Interest Rate Option Two    
Debt Instrument [Line Items]    
Interest rate over the reference rate 0.25%  
Paycheck Protection Program    
Debt Instrument [Line Items]    
Term loan $ 3,904,000  
Aggregate principal amount   $ 3,904,000