XML 34 R23.htm IDEA: XBRL DOCUMENT
v3.23.4

Schedule of Significant Accounting Policies - Fair values of financial assets of the Company (Details) - USD ($) | Nov. 30, 2023 | Feb. 28, 2023
--- | --- | ---
Platform Operator, Crypto-Asset [Line Items] |  |
Marketable Securities | $ 9,609,000 | $ 8,090,000
Fair Value, Inputs, Level 1 [Member] |  |
Platform Operator, Crypto-Asset [Line Items] |  |
Marketable Securities | 9,259,000 | 7,361,000
Fair Value, Inputs, Level 2 [Member] |  |
Platform Operator, Crypto-Asset [Line Items] |  |
Marketable Securities | 350,000 | 729,000
Fair Value, Inputs, Level 3 [Member] |  |
Platform Operator, Crypto-Asset [Line Items] |  |
Marketable Securities | $ 0 | $ 0

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

X
- Definition Amount of investment in marketable security. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_MarketableSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |