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Leases - Narrative (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
lease
Dec. 31, 2019
USD ($)
lease
Jan. 01, 2019
USD ($)
Leases [Abstract]      
Number operating leases | lease 2 2  
Estimated incremental borrowing rate 9.00%    
Operating lease, weighted average discount rate, percent 9.00%    
Operating lease, weighted average remaining lease term 1 year 3 months 18 days    
Right of use assets - operating leases $ 627,563 $ 768,441 $ 900,000
Present value of operating lease liabilities $ 631,000   $ 949,000