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Parent Company Financial Statements (Unaudited) (Details 1) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Selling, general and administrative expenses $ 23,676,000 $ 16,882,000 $ 17,424,000
Operating loss (15,825,000) (6,070,000) (4,931,000)
Other (income) expense      
Interest expense 20,136,000 22,943,000 21,089,000
Other expense 809,000 548,000 (797,000)
Loss before income taxes (47,275,000) (37,635,000) (38,346,000)
Income tax expense (128,000) (976,000) 1,131,000
Net loss (47,147,000) (36,659,000) (39,477,000)
Other comprehensive loss      
Foreign currency translation adjustment (236,000) (289,000) (249,000)
Comprehensive loss (47,383,000) (36,948,000) (39,726,000)
Parent Company Financial Statements      
Selling, general and administrative expenses 11,806,000 6,707,000 6,673,000
Equity in subsidiary losses (34,400,000) (28,820,000) (21,745,000)
Operating loss (46,206,000) (35,527,000) (28,418,000)
Other (income) expense      
Interest expense 1,031,000 677,000 1,392,000
Other expense (97,000) 448,000 5,899,000
Loss before income taxes (47,140,000) (36,652,000) (35,709,000)
Income tax expense 7,000 7,000 7,000
Net loss (47,147,000) (36,659,000) (35,716,000)
Other comprehensive loss      
Foreign currency translation adjustment (27,000) (289,000) (249,000)
Comprehensive loss $ (47,174,000) $ (36,948,000) $ (36,965,000)