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Business Combination (Narrative) (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
May 18, 2020
Sep. 30, 2020
Sep. 30, 2020
Dec. 31, 2019
Business Acquisition [Line Items]        
Purchase price, paid in cash     $ 7,128  
Change in fair value of contingent consideration     253  
Intangible assets $ 6,400      
Goodwill $ 4,163 $ 13,714 13,714 $ 9,551
Emerald Medical Services Pte., Ltd [Member]        
Business Acquisition [Line Items]        
Revenue attributable to acquirees   2,816 $ 3,962  
Emerald Medical Services Pte., Ltd [Member] | Emerald Extrusion Services LLC [Member]        
Business Acquisition [Line Items]        
Ownership percentage 54.00%      
Emerald Medical Services Pte., Ltd [Member] | Earn-Out Payment, Net Revenue During First Year [Member] | Maximum [Member]        
Business Acquisition [Line Items]        
Revenues $ 11,000      
Emerald Medical Services Pte., Ltd [Member] | Earn-Out Payment, Net Revenue During First Year [Member] | Minimum [Member]        
Business Acquisition [Line Items]        
Revenues 9,000      
Emerald Medical Services Pte., Ltd [Member]        
Business Acquisition [Line Items]        
Acquisition date     May 18, 2020  
Purchase price 11,815      
Purchase price, paid in cash 7,128      
Post-closing working capital adjustment 291      
Common stock value of issuance from business combination $ 982      
Contingent consideration liability, term 18 months      
Contingent consideration amount $ 3,414      
Shares issued, acquisition related 80      
Additional earn-out payments percent 28.00%      
Acquisition costs   493 $ 493  
Net income   $ (48) 0  
Intangible assets $ 6,400      
Deferred tax liability, book-tax difference from amortization of intangible assets 1,055      
Goodwill 4,041      
Purchase accounting adjustments related to accrued salaries and goodwill     $ 122  
Emerald Medical Services Pte., Ltd [Member] | Maximum [Member]        
Business Acquisition [Line Items]        
Earn out 1,000      
Emerald Medical Services Pte., Ltd [Member] | Minimum [Member]        
Business Acquisition [Line Items]        
Earn out 333      
Emerald Medical Services Pte., Ltd [Member] | Cash Payment, Regulatory Approval In Japan [Member]        
Business Acquisition [Line Items]        
Contingent consideration liability, term     12 months  
Contingent consideration amount $ 500      
Emerald Medical Services Pte., Ltd [Member] | Additional Earn-Out Payment [Member]        
Business Acquisition [Line Items]        
Contingent consideration liability, term     3 years