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Note 9 - Segment Reporting (Tables)
9 Months Ended
Jun. 30, 2014
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

Three Months Ended

   

Nine Months Ended

 
   

June 30,

2014

   

June 30,

2013

   

June 30,

2014

   

June 30,

2013

 

Sales

                               

Cable TV

  $ 6,506,763     $ 6,372,108     $ 19,874,687     $ 21,035,707  

Telco

    2,816,395             3,882,020        

Total sales

  $ 9,323,158     $ 6,372,108     $ 23,756,707     $ 21,035,707  
                                 

Gross profit

                               

Cable TV

  $ 1,903,435     $ 1,851,855     $ 5,619,323     $ 6,336,931  

Telco

    1,316,620             1,695,127        

Total gross profit

  $ 3,220,055     $ 1,851,855     $ 7,314,450     $ 6,336,931  
                                 

Operating income (loss)

                               

Cable TV

  $ 385,309     $ 441,361     $ 867,762     $ 1,992,036  

Telco

    (63,470 )           (740,824 )      

Total operating income (loss)

  $ 321,839     $ 441,361     $ 126,938     $ 1,992,036  
                                 

Segment assets

                               

Cable TV

  $ 29,601,308     $ 28,398,343     $ 29,601,308     $ 28,398,343  

Telco

    15,578,772             15,578,772        

Non-allocated (A)

    7,386,247       14,574,439       7,386,247       14,574,439  

Total assets

  $ 52,566,327     $ 42,972,782     $ 52,566,327     $ 42,972,782