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Deferred Revenue and Remaining Performance Obligations (Tables)
12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Schedule of Deferred Revenue and Income A summary of the balances as of December 31 follows (in thousands):
20212020
Products and services not yet delivered$451 $376 
Deferred revenue$451 $376 
The following presents total net sales by line of business for the years ended December 31 (in thousands):

202120202019
Accelerate Pheno revenue$11,628 $11,025 $9,132 
Other revenue154 140 165 
Net sales$11,782 $11,165 $9,297 

The following presents total net sales by products and services for the years ended December 31 (in thousands):

202120202019
Products$10,430 $10,336 $8,839 
Services1,352 829 458 
Net sales$11,782 $11,165 $9,297