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Supplemental Disclosures of Non-cash Financing Activities (Details Textual) - USD ($)
Mar. 31, 2020
Jan. 01, 2019
Operating Lease, Right-of-Use Asset $ 2,954,000  
Operating Lease, Liability, Total $ 2,999,000  
Accounting Standards Update 2016-02 [Member]    
Operating Lease, Right-of-Use Asset   $ 3,455,000
Operating Lease, Liability, Total   $ 3,455,000