Property and Equipment

6 Months Ended

Jun. 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 June 30, 2016 and December 31, 2015 are as follows:

	June 30, 2016			December 31, 2015
Property and Equipment:
Gross carrying amount	$	19,626,104		$	19,513,607
Accumulated depreciation	(18,368,187		)	(17,947,675		)
Property and Equipment, net	$	1,257,917		$	1,565,932

For the three months ended June 30, 2016 and 2015, depreciation expense was $180,475 and $350,732, respectively. For the six months ended June 30, 2016 and 2015, depreciation expense was $405,376 and $722,561, respectively.