The value (monetary amount) of bond as a negotiation condition for removing a defendant in the legal matter.

No definition available.

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Balance Type:	debit
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- Definition

The length of the term associated with the severance payments.

+ References

No definition available.

+ Details

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- Definition

This line item represents the minimum period of warranty that an entity offers on all of its products.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios, and adherence to certain clauses which must be met in order to avoid default. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Interest expense (income) directly attributable to an award in settlement of litigation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 450
-SubTopic 20
-Section 50
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-Topic 450
-SubTopic 20
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-Paragraph 1
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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Note 8 - Commitments and Contingencies (Details Textual) - USD ($)			1 Months Ended		12 Months Ended
	May 15, 2017	May 04, 2017	Feb. 29, 2020	Oct. 31, 2017	Dec. 31, 2019	Mar. 17, 2020
Payment Terms, Severance Compensation	1 year
Short Term Investment Minimum	$ 2,000,000
Minimum [Member]
Period Of Warranty On Products					1 year
Maximum [Member]
Period Of Warranty On Products					2 years
Subsequent Event [Member]
Short Term Investment Minimum						$ 1,000,000
Potential Severance Cost for Chief Operating Officer [Member]
Loss Contingency, Estimate of Possible Loss					$ 2,300,000
Litigation Related to Strategic Advisory Services [Member]
Loss Contingency, Damages Sought, Value		$ 1,000,000
Loss Contingency, Negotiation Condition Bond				$ 1,000,000
Litigation Related to Strategic Advisory Services [Member] \| Subsequent Event [Member]
Loss Contingency, Damages Awarded, Value			$ 1,000,000
Gain (Loss) Related to Litigation Settlement, Total			(1,400,000)
Litigation Settlement, Expense			1,000,000
Litigation Settlement Interest			$ 400,000