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COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Long-term Purchase Commitment
The Company estimates the following commitments for each of the equipment systems, with expected timing of payments as follows as of December 31, 2019:
Total amounts committed  20202021-2023  2024After 5 years  
Long-term debt (includes interest)

$3,922,000  $1,689,000  $1,480,000  $335,000  $418,000  
Finance leases (includes interest)13,580,000  4,610,000  8,449,000  521,000  —  
Future equipment purchases40,910,000  1,750,000  39,160,000  —  —  
Equipment service contracts10,096,000  1,847,000  4,655,000  1,734,000  1,860,000  
Operating leases1,180,000  319,000  856,000  5,000  —  
Total Commitments$69,688,000  $10,215,000  $54,600,000  $2,595,000  $2,278,000