Quarterly report pursuant to Section 13 or 15(d)

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Note 13 - Stock Warrants (Details Textual)

v3.19.3

Note 13 - Stock Warrants (Details Textual) - USD ($)	Sep. 30, 2019	Jun. 18, 2019
Class of Warrant or Right, Outstanding	1,400,000
MT [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2,000
Class of Warrant or Right, Outstanding	300
Minimum [Member]
Warrants and Rights Outstanding, Term	30 days
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.20
Maximum [Member]
Warrants and Rights Outstanding, Term	15 years 328 days
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 50
Weighted Average [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 13.46
Underwriting Agreement Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		600,000
Class of Warrant or Right Percent of Common Stock Sold		7.50%
Warrants and Rights Outstanding, Term	5 years
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.9375
Class of Warrant or Right, Exercise Price Percent of Share Price	125.00%
Warrants and Rights Outstanding	$ 261,000
Underwriting Agreement Warrants [Member] \| Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input	88.6
Underwriting Agreement Warrants [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Warrants and Rights Outstanding, Measurement Input	1.8
Underwriting Agreement Warrants [Member] \| Measurement Input, Expected Dividend Payment [Member]
Warrants and Rights Outstanding, Measurement Input	0

- Definition

The percentage amount of the exercise price over the share price of the stock callable by warrants or rights.

+ References

No definition available.

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- Definition

Represents the class of warrant or right percent of common stock sold.

+ References

No definition available.

+ Details

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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