Gain on Sale of Property and Equipment	12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]
Gain on Sale of Property and Equipment	4. GAIN ON SALE OF PROPERTY AND EQUIPMENT On July 15, 2022, we completed the sale of our former corporate headquarters to FDS Bedford, LLC located at 40 Middlesex Turnpike, Bedford, Massachusetts for total proceeds of $8.9 million less a brokerage commission of $0.3 million. During the year ended December 31, 2022, we recorded a gain of $5.7 million on the sale and disposed of gross assets of $11.5 million and net book value of $2.9 million, of which $1.8 million was property and equipment and $1.1 million was land.

Gain on Sale of Property and Equipment

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

4. GAIN ON SALE OF PROPERTY AND EQUIPMENT

On July 15, 2022, we completed the sale of our former corporate headquarters to FDS Bedford, LLC located at 40 Middlesex Turnpike, Bedford, Massachusetts for total proceeds of $8.9 million less a brokerage commission of $0.3 million.

During the year ended December 31, 2022, we recorded a gain of $5.7 million on the sale and disposed of gross assets of $11.5 million and net book value of $2.9 million, of which $1.8 million was property and equipment and $1.1 million was land.