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Note 7 - Accrued Liabilities and Other Liabilities - Noncurrent (Tables)
9 Months Ended
Jun. 30, 2014
Note 7 - Accrued Liabilities and Other Liabilities - Noncurrent (Tables) [Line Items]  
Schedule of Accrued Liabilities [Table Text Block]
   

December 31,

   

September 30,

 
   

2014

   

2014

 
                 

Payroll and related

  $ 513,692     $ 3,033,223  

Warranty reserve

    302,888       288,480  

Accrued contract costs

    295,551       197,034  

Deferred revenue

    170,323       567,639  

Other

    3,400       1,600  

Total

  $ 1,285,854     $ 4,087,976  
                 
                 

Other liabilities - noncurrent consisted of the following:

               
                 

Deferred rent

  $ 130,464     $ 131,719  

Extended warranty

    22,219       25,831  

Total

  $ 152,683     $ 157,550  
Schedule of Product Warranty Liability [Table Text Block]
   

Three months ended

 
   

December 31,

 
   

2014

   

2013

 

Beginning balance

  $ 314,311     $ 212,759  

Warranty provision

    19,198       14,361  

Warranty settlements

    (8,402 )     (11,362 )

Ending balance

  $ 325,107     $ 215,758  
Warranty Reserves [Member]  
Note 7 - Accrued Liabilities and Other Liabilities - Noncurrent (Tables) [Line Items]  
Schedule of Product Warranty Liability [Table Text Block]
   

December 31,

   

September 30,

 
   

2014

   

2014

 

Short-term warranty reserve

  $ 302,888     $ 288,480  

Long-term warranty reserve

    22,219       25,831  

Total warranty reserve

  $ 325,107     $ 314,311