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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Jan. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Schedule of lease rental cost
Year ended January 31, Gross rental
   
2019 $1,022,162
2018 $841,235
Schedule of future minimum rental payments for operating leases
Year ending January 31,
   
2020 761,350
2021 446,494
2022 435,310
2023 313,633
2024 8,418
and thereafter 8,944
Total $1,974,149