Balance Sheet Components - Property and Equipment (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
---|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
|
Land, Property and Equipment | |||||
Total property and equipment at cost | $ 948,000 | $ 948,000 | $ 942,000 | ||
Accumulated depreciation | (282,000) | (282,000) | (265,000) | ||
Property and equipment, net | 666,000 | 666,000 | 677,000 | ||
Depreciation and amortization expense | 8,000 | $ 10,000 | 17,000 | $ 20,000 | |
Land | |||||
Land, Property and Equipment | |||||
Total property and equipment at cost | 396,000 | 396,000 | 396,000 | ||
Lab equipment | |||||
Land, Property and Equipment | |||||
Total property and equipment at cost | 424,000 | 424,000 | 418,000 | ||
Clinical equipment | |||||
Land, Property and Equipment | |||||
Total property and equipment at cost | 65,000 | 65,000 | 65,000 | ||
Software | |||||
Land, Property and Equipment | |||||
Total property and equipment at cost | $ 63,000 | $ 63,000 | $ 63,000 |