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Nature of Operations and Summary of Significant Accounting Policies (Details Textual) (USD $)
Share data in Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract]          
Cash balance $ 50,000   $ 50,000   $ 50,000
Payment due 90 days or less 90 days        
Interest charged on past due accounts   0      
Allowance for doubtful accounts 64,000   64,000   49,000
Inventory reserve 43,000   43,000   38,000
Shares reserved for outstanding stock warrants and options 1,247 587 1,247 587  
Total stock-based compensation expenses 159,000 161,000      
Tax benefit recorded due to full valuation allowance on deferred tax assets 0 0      
Forfeiture rate to options granted to members of board of directors 0.00%        
Stock-based compensation expense related to fair market value of stock and warrant 10,000 185,000      
Impairment losses for long-lived assets 0 0      
Depreciation and amortization expense 61,000 80,000      
Capitalized software development costs 0 0 0 0  
Research and development expenses 318,000 559,000      
Amortization expense related to deferred financing costs 0 3      
Balance of deferred finance costs 0   0   0
Commercial paper and other liquid investments original maturity period Three months or less        
Maximum
          
Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract]          
Pre-vesting forfeiture rate based on upon actual historical experience for all employee option awards 25.20%        
Term of maintenance contract 3 years        
Minimum
          
Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract]          
Pre-vesting forfeiture rate based on upon actual historical experience for all employee option awards 18.30%        
Term of maintenance contract 1 year        
Stock Compensation Plan
          
Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract]          
Total stock-based compensation expenses $ 159,000 $ 161,000