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LEASES (Details Narrative) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Right-of-use assets $ 3,445,000   $ 3,445,000   $ 3,374,000
Lease liability 3,446,000   3,446,000   3,373,000
Lease liability, current $ 461,000   $ 461,000   $ 383,000
Weighted average remaining lease term 11 years 2 months 23 days   11 years 2 months 23 days    
Operating lease, weighted average discount rate, percent 1.06%   1.06%    
Operating lease expense $ 130,000 $ 108,000 $ 265,000 $ 204,000  
Houston [Member]          
Operating leases term, description     lease term running through October 2024 and a facility in Malvern, Pennsylvania, which was recently consummated, effective January 1, 2022, with a 3-year term ending in December 2024    
Middletown [Member]          
Operating leases term, description     lease term ending in June 2027    
Banbury [Member]          
Operating leases term, description     The lease in Banbury has a 15-year term ending in March 2036