The stated interest rate of notes receivable.

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 8A
-URI http://asc.fasb.org/extlink&oid=118954083&loc=SL6284422-111562

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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=118932676&loc=d3e3213-108585

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Note 3 - Investments (Details Textual) - USD ($)	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
Note 3 - Investments (Details Textual) - USD ($)	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Dec. 31, 2018
Privately-Held Identity and Professional Services Company With Ties to the FinTech Industry [Member]
Payments to Acquire Notes Receivable			$ 500,000	$ 550,000
Privately-Held Identity and Professional Services Company With Ties to the FinTech Industry [Member] \| Loan Agreement, Six Percent, Maturing June 2021 [Member]
Payments to Acquire Notes Receivable	$ 1,000,000
Notes Receivable, Stated Interest Rate	6.00%		6.00%
Privately-Held Identity and Professional Services Company With Ties to the FinTech Industry [Member]
Equity Method Investment, Ownership Percentage	40.00%		40.00%
Other than Temporary Impairment Losses, Investments, Total		$ 250,000