Balance Sheets Details
|12 Months Ended|
Dec. 31, 2019
|Balance Sheet Related Disclosures [Abstract]|
|Balance Sheets Details||Balance Sheets Details
The following is a summary of activity in our allowance for doubtful accounts for the periods presented (in thousands):
(1) The change in allowance for doubtful accounts was mainly related to the write-off of receivables from a foreign customer.
Inventories consisted of the following (in thousands):
Property and Equipment, net
Property and equipment, net consisted of the following (in thousands):
(1) Fully depreciated laboratory equipment with a cost of $1.0 million and $0.3 million were retired during the year ended December 31, 2019 and 2018, respectively.
(2) Construction in progress includes equipment received but not yet placed into service pending installation.
Goodwill had a carrying value of approximately of $3.2 million as of December 31, 2019 and 2018.
Other Accrued Liabilities
Other accrued liabilities consisted of the following (in thousands):
The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef