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Leases (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Jan. 02, 2019
Operating leases description The Company has entered into operating leases for office and production facilities and equipment under agreements that expire at various dates through 2026.      
Financing leases description The Company also has property held under finance leases that expire at various dates through 2021.      
Operating lease liabilities $ 3,167   $ 3,300 $ 3,458
Operating lease right-of-use assets $ 2,002   $ 2,101 $ 2,336
Operating leases weighted-average remaining lease term 6 years      
Operating leases weighted-average discount rate lease 7.25%      
Financing leases weighted-average remaining lease term 1 year 8 months 12 days      
Financing leases weighted-average discount rate lease 5.52%      
Financing lease cost $ 6 $ 22    
Selling, General and Administrative Expenses [Member]        
Operating lease expense $ 134 $ 135