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LEASES (Details)
Dec. 31, 2019
USD ($)
Year ending December 31,  
2020 $ 1,921,015
2021 1,964,815
2022 705,889
2023 37,238
2024 8,349
Total undiscounted operating lease payments 4,637,306
Less imputed interest (331,369)
Present value of operating lease payments $ 4,305,937