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FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2019
Fees Paid and Related Party Transactions [Line Items] |  |  |  |  |
Estimated directors fees and expenses | $ 215 | $ 338 | $ 543 | $ 753 |
Licensing fee incurred | 167 | 234 | 349 | 521 |
Expense waiver | $ 21,137 | $ 15,329 | $ 42,114 | $ 33,091 |
Licensing Agreements [Member] |  |  |  |  |
Fees Paid and Related Party Transactions [Line Items] |  |  |  |  |
Fee percentage |  |  | 0.015% |  |
Future Period - for the year ending December 31, 2019 [Member] | Scenario, Forecast [Member] |  |  |  |  |
Fees Paid and Related Party Transactions [Line Items] |  |  |  |  |
Estimated investor tax reporting cost |  |  |  |  | $ 75,000
Future Period - for the year ending December 31, 2019 [Member] | Maximum [Member] |  |  |  |  |
Fees Paid and Related Party Transactions [Line Items] |  |  |  |  |
Costs and expenses annual limit for reimbursement |  |  | 0.15% |  |
UNL [Member] |  |  |  |  |
Fees Paid and Related Party Transactions [Line Items] |  |  |  |  |
Percentage of Contractual Obligated to Pay |  |  | 0.75% |  |
UNL [Member] | Scenario, Forecast [Member] |  |  |  |  |
Fees Paid and Related Party Transactions [Line Items] |  |  |  |  |
Estimated directors fees and expenses |  |  |  |  | 1,200
UNL [Member] | Related Public Funds [Member] | Scenario, Forecast [Member] |  |  |  |  |
Fees Paid and Related Party Transactions [Line Items] |  |  |  |  |
Estimated directors fees and expenses |  |  |  |  | $ 543,500

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- Definition It represent the value of license fees and other offering expenses. + References No definition available. + Details
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- Definition Noninterest expense related to directors' fees which are fees paid by an Entity to its directors. Directors' fees may be paid in addition to salary and other benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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- Definition Amount of general expenses not normally included in Other Operating Costs and Expenses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.6) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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