Property and Equipment

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

4. Property and Equipment

Property and equipment was:

	September 30, 2016		December 31, 2015
Equipment	$	258,700	$	313,700
Furniture		190,600		233,900
Leasehold improvements		167,600		167,600
		616,900		715,200
Less: accumulated depreciation and amortization		455,300		462,700
	$	161,600	$	252,500

Aggregate property and equipment depreciation and amortization expense was $21,200 and $70,800 during the three-month period and nine-month ended September 30, 2016, respectively. During the nine-month period ended September 30, 2016, we disposed of equipment and furniture with a combined net book value of $20,100.