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Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Mar. 23, 2016
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Jun. 30, 2015
Employee Stock Option [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   0 150,000 0 153,000  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate       0.00%    
Restricted Stock [Member] | 2009 Omnibus Stock Incentive Plan [Member] | Board of Directors and Management Members [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 130,000          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years          
Sales [Member]            
Royalty and Licensing Revenue   $ 5,500,000 $ 2,300,000 $ 16,100,000 $ 4,700,000  
Cost of Sales [Member]            
Royalty Expense   193,000 270,000 666,000 650,000  
Fair Value, Inputs, Level 1 [Member]            
Fair Value, Net Asset (Liability)   0   0   $ 0
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Forward [Member]            
Foreign Currency Contracts, Liability, Fair Value Disclosure   514,000   514,000    
Foreign Currency Contract, Asset, Fair Value Disclosure           474,000
Fair Value, Inputs, Level 3 [Member]            
Fair Value, Net Asset (Liability)     0   0 $ 0
Allocated Share-based Compensation Expense   $ 183,000 $ 92,000 $ 463,000 $ 259,000