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Note 19 - Subsequent Events (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Sep. 02, 2020
Jun. 30, 2020
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Jun. 25, 2020
Jun. 29, 2009
Accounts Payable, Related Parties   $ 1,600,000 $ 1,600,000        
Restructuring Charges, Total   1,600,000 1,580,000    
Restructuring Reserve, Ending Balance   1,100,000 1,100,000        
Restructuring and Related Cost, Expected Cost Remaining   $ 2,400,000 $ 2,400,000        
The 2012 Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)   242,840 242,840        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)     $ 5.34 $ 6.34 $ 7.22    
The 2012 Stock Incentive Plan [Member] | Subsequent Event [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares) 101,100            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 3.37            
The 2012 Stock Incentive Plan [Member] | Subsequent Event [Member] | Stock Units [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percentage of Grants in Period 67.00%            
The 2012 Stock Incentive Plan [Member] | Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percentage of Grants in Period 33.00%            
Employee Severance [Member]              
Restructuring Charges, Total     $ 600,000        
Equipment Related, Freight and Other Costs [Member]              
Restructuring Charges, Total     1,000,000        
Restructuring Reserve, Ending Balance   $ 1,100,000 1,100,000        
Restructuring and Related Cost, Expected Cost Remaining   $ 2,400,000 $ 2,400,000        
Amendment and Restatement Loan Agreement [Member] | TD Bank [Member]              
Debt Instrument, Interest Rate, Stated Percentage           3.50% 2.25%
Line of Credit, Percentage of Qualified AR           80.00% 80.00%
Line of Credit, Percentage of the Lower of Cost or Market of US Inventory Values             50.00%
Line of Credit, Percentage of Net Orderly Liquidation Value of US Inventory           85.00%  
Line of Credit, Percentage of Total Appraised US Real Estate Values           62.50%  
Line of Credit Facility, Current Borrowing Capacity           $ 25,000,000