XML 78 R44.htm IDEA: XBRL DOCUMENT v2.4.0.8
Schedule of Inventories (Detail) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Inventory [Line Items]    
Raw materials $ 4,336,937 $ 4,064,317
Work-in-process 3,888,994 4,112,478
Finished products 2,331,487 2,966,900
Total $ 10,557,418 $ 11,143,695