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ACQUISITION AND RELATED PARTY ITEMS - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Dec. 05, 2019
Feb. 22, 2019
Dec. 21, 2018
Dec. 31, 2019
Dec. 31, 2019
Business Acquisition [Line Items]          
Acquisition related costs         $ 100
Common stock, par value (in dollars per share)     $ 0.01    
CVM          
Business Acquisition [Line Items]          
Percentage of voting interest acquired 100.00%        
Total fair value of consideration transferred $ 14,420        
Equity interests issued and issuable $ 8,800        
Revenue of acquiree since acquisition date       $ 800  
Earnings or loss of acquiree since acquisition date       $ 100  
Optomed          
Business Acquisition [Line Items]          
Percentage of voting interest acquired   70.00%      
Payments to acquire business   $ 200      
Debt assumed in acquisition   $ 400      
Noncontrolling interest, ownership percentage by noncontrolling owners   30.00%      
Business combination, separately recognized transactions, purchase agreement   $ 1,200      
Cuattro, LLC          
Business Acquisition [Line Items]          
Consideration transferred shares issued     54,763    
Shares issued as consideration, value     $ 5,400    
Payments for asset acquisition     2,800    
Asset acquisition, consideration transferred     $ 8,200    
Acquired finite-lived intangible assets, weighted average useful life     10 years