Note 5 - Property and Equipment, Net

12 Months Ended

Dec. 31, 2016

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

5.

Property and equipment, net

Property and equipment, net consists of the following as of:

	December 31,
(in thousands)	201 6			201 5
Laboratory equipment	$	5,971		$	4,865
Leasehold improvements		3,199			2,783
Office equipment, furniture and fixtures		3,364			2,841
Software		1,479			1,172
Specialized shipping containers		2,655			2,177
Construction in progress		848			200
Property and equipment		17,516			14,038
Less accumulated depreciation		(9,723	)		(7,754	)
Property and equipment, net	$	7,793		$	6,284

For the years ended

December

 

31,

2016,

2015

and

2014,

the Company recorded depreciation expense of

$2.6

million,

$2.0

million, and

$1.7

million, respectively. Depreciation expense includes amortization of capital leases.

Depreciable lives range from

three

to

ten

years for laboratory equipment, office equipment, leasehold improvements, and furniture and fixtures and

three

years for software and specialized shipping containers.

For the years ended

December

 

31,

2016

and

2015,

there were no material capital leases, disposals or retirements.