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Property and Equipment
6 Months Ended
Jun. 30, 2014
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment

The gross carrying amount and accumulated depreciation of property and equipment as of June 30, 2014 and December 31, 2013 are as follows:
 
 
June 30, 2014
 
December 31, 2013
Property and Equipment:
 
 
 
 
Gross carrying amount
 
$
19,428,594

 
$
19,339,574

Accumulated depreciation
 
(16,800,970
)
 
(16,022,230
)
Property and Equipment, net
 
$
2,627,624

 
$
3,317,344



For the three months ended June 30, 2014 and 2013, depreciation expense was $447,410 and $561,448, respectively.  For the six months ended June 30, 2014 and 2013, depreciation expense was $940,727 and $1,148,428, respectively. During the second quarter of 2014, in connection with the Company's 2013 restructuring plan, the Company wrote-off gross property and equipment of $240,917 and the associated accumulated depreciation of $142,908, related to assets that were no longer in use as a result of the closure of a foreign facility. For further information, refer to Note (18) Restructuring Costs.