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Debt - Schedule of Debt Obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt instrument, Long-term Portion    
Principal, Balance Total $ 14,146 $ 14,146
Unamortized Debt Discount Total (120) (788)
Balance, Long-Term Debt Total 14,026 13,358
2015 Subordinated Notes [Member]    
Debt instrument, Long-term Portion    
Principal Balance, Long-term Portion 13,500 14,000
Unamortized Debt Discount, Long-term Portion (120) (788)
Balance, Long-term Portion 13,380 13,212
Debentures [Member]    
Debt instrument, Current Portion    
Principal Balance, Short-term Portion 146 146
Balance, Short-term Portion 146 $ 146
2015 Subordinated Notes [Member]    
Debt instrument, Current Portion    
Principal Balance, Short-term Portion 500  
Balance, Short-term Portion $ 500