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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Sep. 30, 2013
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]  
Summary of Activity in Allowance for Doubtful Accounts

A summary of activity in our allowance for doubtful accounts is as follows:

 

    2013     2012  
             
Opening balance   $ 123     $ 108  
Charged to expense     41       84  
Accounts recovered     (18 )     15  
Accounts written off     (59 )     (84 )
Ending balance   $ 87     $ 123  
Schedule of Property and Equipment

Property and equipment, net, as of September 30, 2013 and 2012 consisted of the following:

 

    2013     2012  
             
Land and improvements   $ 914     $ 914  
Buildings and improvements     21,250       21,278  
Machinery and equipment     17,571       19,496  
Office furniture and fixtures     690       701  
Construction in progress     92       35  
      40,517       42,424  
Less:  accumulated depreciation     (23,604 )     (23,796 )
Net property and equipment   $ 16,913     $ 18,628  
Summary of Assumptions Used to Compute Fair Value of Warrants

The assumptions used to compute the fair value of the warrants at September 30, 2013 and 2012 were as follows:

 

    September 30, 2013     September 30, 2012  
    Warrant A     Warrant A  
             
Risk-free interest rate     0.51 %     0.41 %
Dividend yield     0.00 %     0.00 %
Volatility of the Company's common stock     71.15 %     117.30 %
Expected life of the options (years)     2.6       3.6  
                 
Fair value per unit   $ 0.444     $ 0.881  

The assumptions used to compute the fair value of the warrants at the time of issuance were as follows:

 

    Warrant A     Warrant B  
             
Risk-free interest rate     1.87 %     0.18 %
Dividend yield     0.00 %     0.00 %
Volatility of the Company's common stock     106.91 %     116.01 %
Expected life of the options (years)     5.0       1.0  
                 
Fair value per unit   $ 1.433     $ 0.779