XML 11 R26.htm IDEA: XBRL DOCUMENT
v3.20.1

Investments in Cash Equivalents and Marketable Securities (Details) - USD ($) | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Marketable securities | $ 498,008 | $ 2,119,607
Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Marketable securities | 498,008 | 2,119,607
Level 1 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Marketable securities | 0 | 0
Level 1 | Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Marketable securities | 0 | 0
Level 2 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Marketable securities | 498,008 | 2,119,607
Level 2 | Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Marketable securities | $ 498,008 | $ 2,119,607

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_TradingSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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: |