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Restructuring Charges and Asset Disposals (Details) (USD $)
1 Months Ended 3 Months Ended
Jun. 29, 2012
Mar. 31, 2013
Mar. 31, 2012
Restructuring reserves      
Beginning balance   $ 253,219  
Expenses 444,285    368,477
Cash payments   (22,112)  
Non-cash charges   (44,919)  
Ending balance   186,188  
Lease liability costs 2011 [Member]
     
Restructuring reserves      
Beginning balance   172,999  
Expenses       
Cash payments       
Non-cash charges   (36,203)  
Ending balance   136,796  
Lease liability costs 2012 [Member]
     
Restructuring reserves      
Beginning balance   80,220  
Expenses       
Cash payments   (22,112)  
Non-cash charges   (8,716)  
Ending balance   $ 49,392