XML 34 R23.htm IDEA: XBRL DOCUMENT
v3.20.4

Leases (Tables) | 6 Months Ended
--- | ---
Jan. 31, 2021
Leases [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures [Text Block] | Supplemental cash flow information related to the Company's operating leases for the six months ended January 31, 2021 and 2020, was as follows:
| Six months ended January 31,
| 2021 |  | 2020
Operating cash outflows from operating leases | $ | 8,762 |  |  | $ | 8,216 |
Operating lease assets obtained in exchange for new operating lease liabilities | 3,297 |  |  | 10,637 |

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration