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Note 6 - Receivables from an Unrelated Party, Prepaid Expenses and Other Receivables (Details) - USD ($) |  |  | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 23, 2017 | Mar. 20, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017 | Jan. 01, 2017 | Dec. 31, 2016 | Sep. 22, 2016
Note 6 - Receivables from an Unrelated Party, Prepaid Expenses and Other Receivables (Details) [Line Items] |  |  |  |  |  |  |  |
Contractual Obligation |  |  |  |  |  |  |  | $ 16,000,000
Prepaid Contractual Obligations |  |  |  |  |  | $ 6,835,000 | $ 7,000,000 |
Contract Termination Description |  | On March 20, 2017, the Company and the unrelated party terminated the MOU and released both parties from all the obligations and liabilities under the MOU. The Company agreed to bear the costs of $800,000 incurred by the unrelated party on the Platform, which were charged as expenses in the first quarter of fiscal year 2017. |  |  |  |  |  |
Payment for Contractual Obligations |  |  |  |  | $ 13,000,000 |  |  |
Payments to Acquire Notes Receivable |  |  | $ 0 | $ 8,835,000 |  |  |  |
Loans Receivable [Member] |  |  |  |  |  |  |  |
Note 6 - Receivables from an Unrelated Party, Prepaid Expenses and Other Receivables (Details) [Line Items] |  |  |  |  |  |  |  |
Payments to Acquire Notes Receivable | $ 2,000,000 |  |  |  |  |  |  |
Note Receivable, Interest Rate | 5.00% |  |  |  |  |  |  |

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- Definition The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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