XML 48 R37.htm IDEA: XBRL DOCUMENT v3.19.2
Leases - Components of Lease Expense (Details)
3 Months Ended
Apr. 30, 2019
USD ($)
Leases [Abstract]  
Depreciation of assets $ 16,567
Interest on lease liabilities 7,167
Operating leases 62,991
Short-term lease 2,087
Total net lease cost $ 88,812