Property and Equipment

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

The gross carrying amount and accumulated depreciation of property and equipment as of September 30, 2016 and December 31, 2015 are as follows:

	September 30, 2016			December 31, 2015
Property and Equipment:
Gross carrying amount	$	19,666,124		$	19,513,607
Accumulated depreciation	(18,536,559		)	(17,947,675		)
Property and Equipment, net	$	1,129,565		$	1,565,932

For the three months ended September 30, 2016 and 2015, depreciation expense was $154,948 and $280,663, respectively. For the nine months ended September 30, 2016 and 2015, depreciation expense was $560,324 and $1,003,224, respectively.