COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Jan. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule Of Lease Rental Cost [Table Text Block]

Total rental costs under all operating leases are summarized as follows:

Year ended January 31,	Gross rental
2018	$	682,640
2017	$	506,507
2016	$	422,487

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Minimum annual rental commitments for the remaining term of the Company’s noncancelable operating leases relating to manufacturing facilities, office space and equipment rentals at January 31, 2018, including lease renewals subsequent to year end, are summarized as follows:

Year ending January 31,
2019		860,011
2020		516,108
2021		431,686
2022		431,686
2023		311,436
and thereafter		23,902
Total	$	2,574,829