Quarterly report pursuant to Section 13 or 15(d)

Lines of Credit and Other Borrowings (Details Textual)

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Lines of Credit and Other Borrowings (Details Textual) (USD $)
 1 Months Ended 3 Months Ended 6 Months Ended
May 24, 2017
Dec. 31, 2011
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
CreditFacility
Jun. 30, 2011
May 24, 2012
Bank Line of Credit and Debt (Textual) [Abstract]              
Line of credit borrowing capacity     $ 8,000,000   $ 8,000,000   $ 8,000,000
Number revolving credit facility agreements         2    
Fair value warrants Expected terms         5 years    
Fair value warrants volatility rate         99.55%    
Fair value warrants dividend per share         $ 0.00    
Fair value warrants risk free interest rate         0.77%    
Bank Line of Credit and Debt (Additional Textual) [Abstract]              
Line of credit maturity date         May 01, 2014    
Financed insurance premium   433,000          
Monthly installment on financed insurance premium   48,000          
Finance charge on financed insurance premium   2.50%          
Number of monthly insurance premium installments payable   Nine          
Annual commitment fee     120,000        
Amortization of deferred debt issuance costs     15,000        
Interest expense     (38,000) (6,000) (42,000) (304,000)  
Accrued interest payable     10,000   10,000    
Restricted cash account     106,000   106,000    
Borrowings are secured by assets         Substantially all of the Company’s assets now owned or hereinafter acquired    
Warrants to purchase common stock granted to Comerica Bank     80,000   80,000   80,000
Exercise price of warrants     2.83   2.83   2.83
Expiration of unexercised warrants May 24, 2017            
Fair value of warrants             135,000
Unused capacity commitment fee percentage         0.25%    
Total commitment fees paid         240,000    
Financed insurance premium outstanding.     97,000   97,000    
Covenant Compliance         Company was in compliance with these covenants with the exception of the earnings before income tax, depreciation and amortization (“EBITDA”) covenant for which the Company obtained a waiver for noncompliance    
Amortization of discount on lines of credit         7,000    
Subsequent Event [Member]
              
Bank Line of Credit and Debt (Textual) [Abstract]              
Fair value warrants Expected terms         4 years 9 months 22 days    
Fair value warrants volatility rate         100.47%    
Fair value warrants dividend per share         $ 0.00    
Fair value warrants risk free interest rate         0.77%    
Fair value warrants exercise price     $ 2.00   $ 2.00    
Incremental expense         7,000    
Domestic Revolver Credit Facility [Member]
              
Bank Line of Credit and Debt (Textual) [Abstract]              
Line of credit borrowing capacity     4,000,000   4,000,000    
Interest on principal balance is LIBOR plus     5.25%   5.25%    
LIBOR floor     1.00%   1.00%    
Borrowings amount     1,900,000   1,900,000    
Ex-Im revolver [Member]
              
Bank Line of Credit and Debt (Textual) [Abstract]              
Line of credit borrowing capacity     4,000,000   4,000,000    
Interest on principal balance is LIBOR plus     4.25%   4.25%    
LIBOR floor     1.00%   1.00%    
Borrowings amount     $ 0   $ 0