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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)
 1 Months Ended 12 Months Ended
Oct. 31, 2017
Dec. 31, 2023
USD ($)
customer
Dec. 31, 2022
USD ($)
customer
Dec. 31, 2021
USD ($)
customer
Dec. 31, 2017
Summary Of Significant Accounting Policies [Line Items]          
Cash held on deposits at financial institution in excess of FDIC Insured limit   $ 250,000      
Impairment losses   1,900,000      
Inventory impairment   1,905,000      
Impairment of long-lived assets   $ 0 $ 0 $ 0  
Revenue, performance obligation, description of warranty   The Company provides a one-year warranty on all new System sales which were determined to be assurance-type warranties and thus not considered a separate performance obligation. The Company accrues the cost of providing these warranties.      
Right of return or refund   $ 0      
Term of distribution agreement 7 years 6 months        
Distribution agreement, renewal period 2 years       2 years
Revenue recognized   $ 2,000,000.0 $ 2,500,000    
Number of customer accounted for more than 10% of revenues | customer   1 1 1  
Accounts receivable   $ 15,782,000 $ 13,591,000    
Dividend yield percentage   15 17 20  
Customer 1          
Summary Of Significant Accounting Policies [Line Items]          
Notes Receivables   $ 5,200,000 $ 0    
Credit concentration risk | Customer 1          
Summary Of Significant Accounting Policies [Line Items]          
Accounts receivable   1,900,000 5,200,000    
Sales and Marketing          
Summary Of Significant Accounting Policies [Line Items]          
Impairment losses   0 0 $ 100,000  
Impairment charges   $ 0 $ 0 $ 100,000  
Computers and Software          
Summary Of Significant Accounting Policies [Line Items]          
Property and equipment estimated useful life   3 years      
Laboratory, Auto and Office Equipment          
Summary Of Significant Accounting Policies [Line Items]          
Property and equipment estimated useful life   5 years      
Devices in Rental Agreement Program          
Summary Of Significant Accounting Policies [Line Items]          
Property and equipment estimated useful life   6 years      
Leasehold Improvements          
Summary Of Significant Accounting Policies [Line Items]          
Property and equipment estimated useful life   5 years      
Capitalized Software          
Summary Of Significant Accounting Policies [Line Items]          
Property and equipment estimated useful life   2 years