XML 40 R41.htm IDEA: XBRL DOCUMENT v3.19.2
LEASES - Future minimum lease payments (Details)
Jul. 31, 2019
USD ($)
Operating lease payments  
2020 $ 342,000
2021 418,000
2022 430,000
2023 442,000
2024 452,000
2025 456,000
2026 467,000
2027 350,000
Total 3,357,000
Finance lease payments  
2020 55,000
2021 27,000
Total $ 82,000