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Note 1 - Accounting Policies (Details) (USD $)
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Note 1 - Accounting Policies (Details) [Line Items]      
Increase (Decrease) in Deferred Revenue (in Dollars) $ 454,000    
Deferred Revenue (in Dollars) 953,000 156,000  
Deferred Profit (in Dollars) 209,000    
Restricted Cash and Cash Equivalents (in Dollars) 100,000    
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments (in Dollars) (54,000) (74,000) (18,000)
Accounts and Other Receivables, Net, Current (in Dollars) 644,000    
Advertising Expense (in Dollars) 575,000 229,000 321,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) 628,000 529,000 533,000
Machinery and Equipment [Member] | Minimum [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives 5    
Machinery and Equipment [Member] | Maximum [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives 7    
Furniture and Fixtures [Member] | Minimum [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives 5    
Furniture and Fixtures [Member] | Maximum [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives 7    
Computer Equipment [Member] | Minimum [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives 3    
Computer Equipment [Member] | Maximum [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives 5    
Sales Outside North America As Percent Of Net Revenue [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 49.70% 47.00% 36.10%
Largest Customer [Member] | Accounts Receivable [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 8.90% 14.60%  
Largest Customer [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 9.80% 11.50%  
Customer One [Member] | Accounts Receivable [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage     9.00%
Customer One [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage     13.80%
Customer Two [Member] | Accounts Receivable [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage     8.00%
Customer Two [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage     11.90%
CTS [Member]
     
Note 1 - Accounting Policies (Details) [Line Items]      
Accounts and Other Receivables, Net, Current (in Dollars)   847,000  
Allowance for Doubtful Accounts Receivable (in Dollars)   $ 203,000