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Note 6 - Accrued Liabilities and Other Liabilities - Noncurrent (Tables)
9 Months Ended
Jun. 30, 2014
Note 6 - Accrued Liabilities and Other Liabilities - Noncurrent (Tables) [Line Items]  
Schedule of Accrued Liabilities [Table Text Block]
   

June 30,

   

September 30,

 
   

2014

   

2013

 
                 

Payroll and related

  $ 2,001,382     $ 650,125  

Deferred revenue and other

    594,173       18,532  

Warranty reserve

    291,798       189,277  

Accrued contract costs

    98,517       197,034  

Customer deposits

    20,000       -  

Income tax liability

    1,600       -  

Total

  $ 3,007,470     $ 1,054,968  
                 
                 

Other liabilities - noncurrent consisted of the following:

               
                 

Deferred rent

  $ 132,974     $ 122,627  

Extended warranty

    27,873       23,482  

Total

  $ 160,847     $ 146,109  
Schedule of Product Warranty Liability [Table Text Block]
   

Three month ended

   

Nine months ended

 
   

June 30,

   

June 30,

 
   

2014

   

2013

   

2014

   

2013

 

Beginning balance

  $ 260,208     $ 205,005     $ 212,759     $ 204,313  

Warranty provision

    64,369       (7,302 )     147,887       (834 )

Warranty settlements

    (4,906 )     (5,809 )     (40,975 )     (11,585 )

Ending balance

  $ 319,671     $ 191,894     $ 319,671     $ 191,894  
Warranty Reserves [Member]
 
Note 6 - Accrued Liabilities and Other Liabilities - Noncurrent (Tables) [Line Items]  
Schedule of Product Warranty Liability [Table Text Block]
   

June 30,

   

September 30,

   

June 30,

   

September 30,

 
   

2014

   

2013

   

2014

   

2013

 

Short-term warranty reserve

  $ 291,798     $ 189,277     $ 291,798     $ 189,277  

Long-term warranty reserve

    27,873       23,482       27,873       23,482  
    $ 319,671     $ 212,759     $ 319,671     $ 212,759