XML 20 R33.htm IDEA: XBRL DOCUMENT v2.4.0.6
Schedule of Inventories (Detail) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Schedule of Inventory [Line Items]    
Raw Materials $ 4,064,317 $ 3,563,395
Work-in-process 4,112,478 5,936,578
Finished products 2,966,900 3,863,100
Total $ 11,143,695 $ 13,363,073