Schedule of Components of Inventory (Details) - USD ($) $ in Thousands  | 
Sep. 30, 2021  | 
Dec. 31, 2020  | 
|---|---|---|
| Business And Liquidity Uncertainties | ||
| Diagnostic services testing material | $ 6,203 | $ 1,028 | 
| Raw materials | 1,464 | 1,404 | 
| Work in process | 407 | 437 | 
| Finished goods | 436 | 170 | 
| Inventory, net | $ 8,510 | $ 3,039 | 
| X | ||||||||||
- References No definition available. 
  | 
| X | ||||||||||
- Definition Inventory lab material. No definition available. 
  | 
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  |