XML 54 R23.htm IDEA: XBRL DOCUMENT v2.4.0.8
Inventories (Details) (USD $)
Jun. 30, 2013
Sep. 30, 2012
Schedule of Inventory [Line Items]    
Component parts $ 3,782,816 $ 3,412,673
Finished goods 6,641,421 3,563,284
Subtotal 10,424,237 6,975,957
Reserve for anticipated sales returns at cost 1,631,152 2,521,899
Total $ 12,055,389 $ 9,497,856