Leasehold Improvements and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Leasehold Improvements And Equipment

Leasehold Improvements and Equipment

	2016		2015		Useful Life
Laboratory equipment	$	3,851,000	$	3,739,000	10 years
Leasehold improvements		1,721,000		513,000	Lesser of lease term or estimated useful life
Computer equipment		441,000		404,000	3 to 5 years
Furniture and fixtures		42,000		17,000	7 years
Office equipment		28,000		22,000	10 years
Construction in progress		170,000		4,000
		6,253,000		4,699,000
Less accumulated depreciation		3,142,000		2,910,000
	$	3,111,000	$	1,789,000