Property and equipment (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||||
---|---|---|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jan. 31, 2017 |
Dec. 31, 2016 |
|
Property and equipment | |||||||
Property and equipment, gross | $ 7,873 | $ 7,873 | $ 7,873 | $ 9,000 | |||
Less: accumulated depreciation | (3,917) | (3,917) | (3,917) | (3,428) | |||
Property and equipment, net | 3,956 | 3,956 | 3,956 | 5,572 | |||
Depreciation and amortization expense | 500 | $ 600 | 951 | $ 1,067 | |||
Fixed assets held-for-sale | 500 | 500 | 500 | $ 500 | |||
Impairment charge | 300 | ||||||
Laboratory equipment | |||||||
Property and equipment | |||||||
Property and equipment, gross | 4,136 | 4,136 | 4,136 | 5,184 | |||
Furniture | |||||||
Property and equipment | |||||||
Property and equipment, gross | 775 | 775 | 775 | 793 | |||
Computer equipment | |||||||
Property and equipment | |||||||
Property and equipment, gross | 208 | 208 | 208 | 208 | |||
Leasehold improvements | |||||||
Property and equipment | |||||||
Property and equipment, gross | $ 2,754 | $ 2,754 | $ 2,754 | $ 2,815 |