XML 24 R10.htm IDEA: XBRL DOCUMENT
v3.19.1

U. S. GOVERNMENT SECURITIES | 12 Months Ended
--- | ---
Jan. 31, 2019
U. S. GOVERNMENT SECURITIES |
U. S. GOVERNMENT SECURITIES | NOTE 3 - U.S. GOVERNMENT SECURITIES U.S. Government Securities at January 31, 2019 and 2018 are classified as held-to-maturity and mature as follows:
|  | 2019 |  | 2018 |
|  | Carrying |  |  |  |  | Carrying |  |  |  |
|  | Value |  | Fair Value |  | Value |  | Fair Value |
Due within one year |  | $ | 32,122,312 |  | $ | 32,138,647 |  | $ | 23,797,451 |  | $ | 23,800,904 |
Due after one year |  |  | — |  |  | — |  |  | — |  |  | — |
|  | $ | 32,122,312 |  | $ | 32,138,647 |  | $ | 23,797,451 |  | $ | 23,800,904 |
The fair value of U.S. Government Securities have been valued using level 1 inputs.

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

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration